1256231062 has 16 divisors (see below), whose sum is σ = 1953573552. Its totient is φ = 605409280.

The previous prime is 1256231059. The next prime is 1256231063. The reversal of 1256231062 is 2601326521.

It is a super-2 number, since 2×1256231062² = 3156232962267295688, 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 1256231062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256231063) 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, 85483 + ... + 99094.

It is an arithmetic number, because the mean of its divisors is an integer number (122098347).

Almost surely, 2^1256231062 is an apocalyptic number.

1256231062 is a deficient number, since it is larger than the sum of its proper divisors (697342490).

1256231062 is a wasteful number, since it uses less digits than its factorization.

1256231062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184703.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1256231062 is about 35443.3500391822. The cubic root of 1256231062 is about 1079.0043012114.

Adding to 1256231062 its reverse (2601326521), we get a palindrome (3857557583).

The spelling of 1256231062 in words is "one billion, two hundred fifty-six million, two hundred thirty-one thousand, sixty-two".