1059631 has 8 divisors (see below), whose sum is σ = 1116000. Its totient is φ = 1004640.

The previous prime is 1059613. The next prime is 1059637. The reversal of 1059631 is 1369501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1059631 - 2⁵ = 1059599 is a prime.

It is a super-2 number, since 2×1059631² = 2245635712322, which contains 22 as substring.

It is a Duffinian number.

1059631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1059596 and 1059605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1059637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1470 + ... + 2068.

It is an arithmetic number, because the mean of its divisors is an integer number (139500).

2^1059631 is an apocalyptic number.

1059631 is a deficient number, since it is larger than the sum of its proper divisors (56369).

1059631 is an equidigital number, since it uses as much as digits as its factorization.

1059631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1059631 is about 1029.3837962587. The cubic root of 1059631 is about 101.9494495127.

The spelling of 1059631 in words is "one million, fifty-nine thousand, six hundred thirty-one".