Search a number
-
+
1121030025 = 35257126177
BaseRepresentation
bin100001011010001…
…1000111110001001
32220010102020002120
41002310120332021
54243440430100
6303123321453
736531412053
oct10264307611
92803366076
101121030025
115258794a5
12273520289
1314b334b9b
14a8c548d3
156863c0a0
hex42d18f89

1121030025 has 24 divisors (see below), whose sum is σ = 1856753184. Its totient is φ = 596812800.

The previous prime is 1121030023. The next prime is 1121030069. The reversal of 1121030025 is 5200301211.

It is not a de Polignac number, because 1121030025 - 21 = 1121030023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1121029986 and 1121030013.

It is not an unprimeable number, because it can be changed into a prime (1121030021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29737 + ... + 55913.

It is an arithmetic number, because the mean of its divisors is an integer number (77364716).

Almost surely, 21121030025 is an apocalyptic number.

1121030025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1121030025 is a deficient number, since it is larger than the sum of its proper divisors (735723159).

1121030025 is a wasteful number, since it uses less digits than its factorization.

1121030025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26761 (or 26756 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1121030025 is about 33481.7864666747. The cubic root of 1121030025 is about 1038.8170798938.

Adding to 1121030025 its reverse (5200301211), we get a palindrome (6321331236).

The spelling of 1121030025 in words is "one billion, one hundred twenty-one million, thirty thousand, twenty-five".

Divisors: 1 3 5 15 25 75 571 1713 2855 8565 14275 26177 42825 78531 130885 392655 654425 1963275 14947067 44841201 74735335 224206005 373676675 1121030025