1056261 has 16 divisors (see below), whose sum is σ = 1512000. Its totient is φ = 653568.

The previous prime is 1056247. The next prime is 1056269. The reversal of 1056261 is 1626501.

It is a happy number.

It is not a de Polignac number, because 1056261 - 2¹¹ = 1054213 is a prime.

It is a super-2 number, since 2×1056261² = 2231374600242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7015 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2^1056261 is an apocalyptic number.

It is an amenable number.

1056261 is a deficient number, since it is larger than the sum of its proper divisors (455739).

1056261 is a wasteful number, since it uses less digits than its factorization.

1056261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1056261 is about 1027.7455910876. The cubic root of 1056261 is about 101.8412563417.

The spelling of 1056261 in words is "one million, fifty-six thousand, two hundred sixty-one".