1056435047 has 4 divisors (see below), whose sum is σ = 1056570816. Its totient is φ = 1056299280.

The previous prime is 1056435013. The next prime is 1056435059. The reversal of 1056435047 is 7405346501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1056435047 - 2⁶ = 1056434983 is a prime.

It is a super-2 number, since 2×1056435047² = 2232110017059784418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056434998 and 1056435016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056435007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55454 + ... + 72027.

It is an arithmetic number, because the mean of its divisors is an integer number (264142704).

Almost surely, 2^1056435047 is an apocalyptic number.

1056435047 is a deficient number, since it is larger than the sum of its proper divisors (135769).

1056435047 is an equidigital number, since it uses as much as digits as its factorization.

1056435047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135768.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 1056435047 is about 32502.8467522462. The cubic root of 1056435047 is about 1018.4684971675.

The spelling of 1056435047 in words is "one billion, fifty-six million, four hundred thirty-five thousand, forty-seven".