1056791 has 4 divisors (see below), whose sum is σ = 1072632. Its totient is φ = 1040952.

The previous prime is 1056779. The next prime is 1056793. The reversal of 1056791 is 1976501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1056791 - 2¹⁴ = 1040407 is a prime.

It is a super-2 number, since 2×1056791² = 2233614435362, 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 (1056793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7820 + ... + 7953.

It is an arithmetic number, because the mean of its divisors is an integer number (268158).

2^1056791 is an apocalyptic number.

1056791 is a deficient number, since it is larger than the sum of its proper divisors (15841).

1056791 is an equidigital number, since it uses as much as digits as its factorization.

1056791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15840.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 1056791 is about 1028.0034046636. The cubic root of 1056791 is about 101.8582871200.

The spelling of 1056791 in words is "one million, fifty-six thousand, seven hundred ninety-one".