1072931 has 2 divisors, whose sum is σ = 1072932. Its totient is φ = 1072930.

The previous prime is 1072919. The next prime is 1072933. The reversal of 1072931 is 1392701.

It is a strong prime.

It is an emirp because it is prime and its reverse (1392701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1072931 - 2⁶ = 1072867 is a prime.

It is a super-2 number, since 2×1072931² = 2302361861522, which contains 22 as substring.

Together with 1072933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1072897 and 1072906.

It is not a weakly prime, because it can be changed into another prime (1072933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536465 + 536466.

It is an arithmetic number, because the mean of its divisors is an integer number (536466).

2^1072931 is an apocalyptic number.

1072931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072931 is an equidigital number, since it uses as much as digits as its factorization.

1072931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1072931 is about 1035.8238267196. The cubic root of 1072931 is about 102.3742181085.

The spelling of 1072931 in words is "one million, seventy-two thousand, nine hundred thirty-one".