1153025 has 12 divisors (see below), whose sum is σ = 1514412. Its totient is φ = 867840.

The previous prime is 1153021. The next prime is 1153027. The reversal of 1153025 is 5203511.

It can be written as a sum of positive squares in 6 ways, for example, as 128881 + 1024144 = 359^2 + 1012^2 .

It is not a de Polignac number, because 1153025 - 2² = 1153021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1152994 and 1153012.

It is not an unprimeable number, because it can be changed into a prime (1153021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 932 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (126201).

It is a Proth number, since it is equal to 563 ⋅ 2¹¹ + 1 and 563 < 2¹¹.

2^1153025 is an apocalyptic number.

It is an amenable number.

1153025 is a deficient number, since it is larger than the sum of its proper divisors (361387).

1153025 is a wasteful number, since it uses less digits than its factorization.

1153025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2735 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1153025 is about 1073.7900167165. The cubic root of 1153025 is about 104.8607375232.

Adding to 1153025 its reverse (5203511), we get a palindrome (6356536).

The spelling of 1153025 in words is "one million, one hundred fifty-three thousand, twenty-five".