1056045601 has 8 divisors (see below), whose sum is σ = 1168017704. Its totient is φ = 948464640.

The previous prime is 1056045583. The next prime is 1056045607. The reversal of 1056045601 is 1065406501.

It can be written as a sum of positive squares in 4 ways, for example, as 102718225 + 953327376 = 10135^2 + 30876^2 .

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-1056045601 is a prime.

It is a super-2 number, since 2×1056045601² = 2230464622782902402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1056045601.

It is not an unprimeable number, because it can be changed into a prime (1056045607) 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, 1097280 + ... + 1098241.

It is an arithmetic number, because the mean of its divisors is an integer number (146002213).

Almost surely, 2^1056045601 is an apocalyptic number.

It is an amenable number.

1056045601 is a deficient number, since it is larger than the sum of its proper divisors (111972103).

1056045601 is a wasteful number, since it uses less digits than its factorization.

1056045601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195571.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1056045601 is about 32496.8552478544. The cubic root of 1056045601 is about 1018.3433318036.

The spelling of 1056045601 in words is "one billion, fifty-six million, forty-five thousand, six hundred one".