1056961357 has 4 divisors (see below), whose sum is σ = 1057051836. Its totient is φ = 1056870880.

The previous prime is 1056961327. The next prime is 1056961361. The reversal of 1056961357 is 7531696501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 460917961 + 596043396 = 21469^2 + 24414^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056961357 - 2¹⁵ = 1056928589 is a prime.

It is a super-2 number, since 2×1056961357² = 2234334620382562898, 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 (1056961307) 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, 24568 + ... + 52129.

It is an arithmetic number, because the mean of its divisors is an integer number (264262959).

Almost surely, 2^1056961357 is an apocalyptic number.

It is an amenable number.

1056961357 is a deficient number, since it is larger than the sum of its proper divisors (90479).

1056961357 is an equidigital number, since it uses as much as digits as its factorization.

1056961357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90478.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 1056961357 is about 32510.9421118491. The cubic root of 1056961357 is about 1018.6376008479.

The spelling of 1056961357 in words is "one billion, fifty-six million, nine hundred sixty-one thousand, three hundred fifty-seven".