1052631 has 6 divisors (see below), whose sum is σ = 1520480. Its totient is φ = 701748.

The previous prime is 1052629. The next prime is 1052663. The reversal of 1052631 is 1362501.

It is not a de Polignac number, because 1052631 - 2¹ = 1052629 is a prime.

It is a super-2 number, since 2×1052631² = 2216064044322, 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 (1052231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58471 + ... + 58488.

2^1052631 is an apocalyptic number.

1052631 is a deficient number, since it is larger than the sum of its proper divisors (467849).

1052631 is a wasteful number, since it uses less digits than its factorization.

1052631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116965 (or 116962 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1052631 is about 1025.9780699411. The cubic root of 1052631 is about 101.7244581696.

The spelling of 1052631 in words is "one million, fifty-two thousand, six hundred thirty-one".