1056401 has 2 divisors, whose sum is σ = 1056402. Its totient is φ = 1056400.

The previous prime is 1056379. The next prime is 1056443. The reversal of 1056401 is 1046501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050625 + 5776 = 1025^2 + 76^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056401 is a prime.

It is a super-2 number, since 2×1056401² = 2231966145602, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1056401.

It is not a weakly prime, because it can be changed into another prime (1056481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528200 + 528201.

It is an arithmetic number, because the mean of its divisors is an integer number (528201).

2^1056401 is an apocalyptic number.

It is an amenable number.

1056401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056401 is an equidigital number, since it uses as much as digits as its factorization.

1056401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1056401 is about 1027.8136990720. The cubic root of 1056401 is about 101.8457555915.

The spelling of 1056401 in words is "one million, fifty-six thousand, four hundred one".