1056434159 has 8 divisors (see below), whose sum is σ = 1152796800. Its totient is φ = 960125400.

The previous prime is 1056434123. The next prime is 1056434177. The reversal of 1056434159 is 9514346501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056434159 is a prime.

It is a super-2 number, since 2×1056434159² = 2232106264604074562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056434759) 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, 35192 + ... + 57890.

It is an arithmetic number, because the mean of its divisors is an integer number (144099600).

Almost surely, 2^1056434159 is an apocalyptic number.

1056434159 is a deficient number, since it is larger than the sum of its proper divisors (96362641).

1056434159 is a wasteful number, since it uses less digits than its factorization.

1056434159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26941.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1056434159 is about 32502.8330919014. The cubic root of 1056434159 is about 1018.4682118052.

The spelling of 1056434159 in words is "one billion, fifty-six million, four hundred thirty-four thousand, one hundred fifty-nine".