1072630831 has 2 divisors, whose sum is σ = 1072630832. Its totient is φ = 1072630830.

The previous prime is 1072630817. The next prime is 1072630841. The reversal of 1072630831 is 1380362701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1072630831 - 2⁵ = 1072630799 is a prime.

It is a super-2 number, since 2×1072630831² = 2301073799223501122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1072630793 and 1072630802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072630841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536315415 + 536315416.

It is an arithmetic number, because the mean of its divisors is an integer number (536315416).

Almost surely, 2^1072630831 is an apocalyptic number.

1072630831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072630831 is an equidigital number, since it uses as much as digits as its factorization.

1072630831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1072630831 is about 32751.0432047591. The cubic root of 1072630831 is about 1023.6467029574.

The spelling of 1072630831 in words is "one billion, seventy-two million, six hundred thirty thousand, eight hundred thirty-one".