1256056362 has 64 divisors (see below), whose sum is σ = 3049384320. Its totient is φ = 380073600.

The previous prime is 1256056349. The next prime is 1256056367. The reversal of 1256056362 is 2636506521.

It is a happy number.

1256056362 is a `hidden beast` number, since 12 + 5 + 6 + 0 + 5 + 636 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1256056367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629238 + ... + 631230.

It is an arithmetic number, because the mean of its divisors is an integer number (47646630).

Almost surely, 2^1256056362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1256056362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524692160).

1256056362 is an abundant number, since it is smaller than the sum of its proper divisors (1793327958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1256056362 is a wasteful number, since it uses less digits than its factorization.

1256056362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1256056362 is about 35440.8854573359. The cubic root of 1256056362 is about 1078.9542810106.

The spelling of 1256056362 in words is "one billion, two hundred fifty-six million, fifty-six thousand, three hundred sixty-two".