1072631 has 8 divisors (see below), whose sum is σ = 1265664. Its totient is φ = 889560.

The previous prime is 1072627. The next prime is 1072633. The reversal of 1072631 is 1362701.

It is a happy number.

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

It is not a de Polignac number, because 1072631 - 2² = 1072627 is a prime.

It is a super-2 number, since 2×1072631² = 2301074524322, 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 (1072633) 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 7 ways as a sum of consecutive naturals, for example, 2255 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (158208).

2^1072631 is an apocalyptic number.

1072631 is a deficient number, since it is larger than the sum of its proper divisors (193033).

1072631 is an equidigital number, since it uses as much as digits as its factorization.

1072631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1072631 is about 1035.6790043252. The cubic root of 1072631 is about 102.3646756718.

The spelling of 1072631 in words is "one million, seventy-two thousand, six hundred thirty-one".