1056331 has 4 divisors (see below), whose sum is σ = 1058512. Its totient is φ = 1054152.

The previous prime is 1056323. The next prime is 1056347. The reversal of 1056331 is 1336501.

1056331 is a nontrivial binomial coefficient, being equal to C(1454, 2).

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

It is a 3-Lehmer number, since φ(1056331) divides (1056331-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1056331 - 2³ = 1056323 is a prime.

It is a super-2 number, since 2×1056331² = 2231670363122, which contains 22 as substring.

It is a deceptive number, since it divides R_1056330.

It is a junction number, because it is equal to n+sod(n) for n = 1056299 and 1056308.

It is not an unprimeable number, because it can be changed into a prime (1056311) 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, 1 + ... + 1453.

It is an arithmetic number, because the mean of its divisors is an integer number (264628).

2^1056331 is an apocalyptic number.

1056331 is the 1453-rd triangular number and also the 727-th hexagonal number.

1056331 is the 485-th centered nonagonal number.

1056331 is a deficient number, since it is larger than the sum of its proper divisors (2181).

1056331 is an equidigital number, since it uses as much as digits as its factorization.

1056331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1056331 is about 1027.7796456439. The cubic root of 1056331 is about 101.8435060163.

The spelling of 1056331 in words is "one million, fifty-six thousand, three hundred thirty-one".