1056146801 has 2 divisors, whose sum is σ = 1056146802. Its totient is φ = 1056146800.

The previous prime is 1056146789. The next prime is 1056146809. The reversal of 1056146801 is 1086416501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1049695201 + 6451600 = 32399^2 + 2540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056146801 is a prime.

It is a super-2 number, since 2×1056146801² = 2230892130525067202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056146809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528073400 + 528073401.

It is an arithmetic number, because the mean of its divisors is an integer number (528073401).

Almost surely, 2^1056146801 is an apocalyptic number.

It is an amenable number.

1056146801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056146801 is an equidigital number, since it uses as much as digits as its factorization.

1056146801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1056146801 is about 32498.4122842948. The cubic root of 1056146801 is about 1018.3758597718.

The spelling of 1056146801 in words is "one billion, fifty-six million, one hundred forty-six thousand, eight hundred one".