1256230364 has 24 divisors (see below), whose sum is σ = 2259693408. Its totient is φ = 610632000.

The previous prime is 1256230363. The next prime is 1256230403. The reversal of 1256230364 is 4630326521.

It is a super-2 number, since 2×1256230364² = 3156229454871144992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1256230364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256230363) 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, 225614 + ... + 231114.

It is an arithmetic number, because the mean of its divisors is an integer number (94153892).

Almost surely, 2^1256230364 is an apocalyptic number.

It is an amenable number.

1256230364 is a deficient number, since it is larger than the sum of its proper divisors (1003463044).

1256230364 is a wasteful number, since it uses less digits than its factorization.

1256230364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1256230364 is about 35443.3401924819. The cubic root of 1256230364 is about 1079.0041013689.

Adding to 1256230364 its reverse (4630326521), we get a palindrome (5886556885).

The spelling of 1256230364 in words is "one billion, two hundred fifty-six million, two hundred thirty thousand, three hundred sixty-four".