Search a number
-
+
1224122141 = 11313589801
BaseRepresentation
bin100100011110110…
…1001111100011101
310011022101211220002
41020331221330131
510001333402031
6321245104045
742222603134
oct11075517435
93138354802
101224122141
11578a920a0
122a1b58025
131667bbc38
14b880c91b
1572702ccb
hex48f69f1d

1224122141 has 8 divisors (see below), whose sum is σ = 1378483968. Its totient is φ = 1076940000.

The previous prime is 1224122129. The next prime is 1224122239. The reversal of 1224122141 is 1412214221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1224122141 - 218 = 1223859997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224122941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794560 + ... + 1795241.

It is an arithmetic number, because the mean of its divisors is an integer number (172310496).

Almost surely, 21224122141 is an apocalyptic number.

1224122141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1224122141 is a deficient number, since it is larger than the sum of its proper divisors (154361827).

1224122141 is a wasteful number, since it uses less digits than its factorization.

1224122141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589843.

The product of its digits is 256, while the sum is 20.

The square root of 1224122141 is about 34987.4569095840. The cubic root of 1224122141 is about 1069.7318281563.

Adding to 1224122141 its reverse (1412214221), we get a palindrome (2636336362).

The spelling of 1224122141 in words is "one billion, two hundred twenty-four million, one hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 11 31 341 3589801 39487811 111283831 1224122141