1056751 has 4 divisors (see below), whose sum is σ = 1059192. Its totient is φ = 1054312.

The previous prime is 1056739. The next prime is 1056773. The reversal of 1056751 is 1576501.

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 1056751 - 2⁵ = 1056719 is a prime.

It is a super-2 number, since 2×1056751² = 2233445352002, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376 + ... + 1501.

It is an arithmetic number, because the mean of its divisors is an integer number (264798).

2^1056751 is an apocalyptic number.

1056751 is a deficient number, since it is larger than the sum of its proper divisors (2441).

1056751 is an equidigital number, since it uses as much as digits as its factorization.

1056751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1056751 is about 1027.9839492910. The cubic root of 1056751 is about 101.8570019769.

The spelling of 1056751 in words is "one million, fifty-six thousand, seven hundred fifty-one".