1072037431 has 4 divisors (see below), whose sum is σ = 1072588864. Its totient is φ = 1071486000.

The previous prime is 1072037423. The next prime is 1072037497. The reversal of 1072037431 is 1347302701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1347302701 = 59 ⋅22835639.

It is a cyclic number.

It is not a de Polignac number, because 1072037431 - 2³ = 1072037423 is a prime.

It is a super-2 number, since 2×1072037431² = 2298528506930159522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072037431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072037401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272790 + ... + 276691.

It is an arithmetic number, because the mean of its divisors is an integer number (268147216).

Almost surely, 2^1072037431 is an apocalyptic number.

1072037431 is a deficient number, since it is larger than the sum of its proper divisors (551433).

1072037431 is an equidigital number, since it uses as much as digits as its factorization.

1072037431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551432.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 1072037431 is about 32741.9826980591. The cubic root of 1072037431 is about 1023.4579011240.

The spelling of 1072037431 in words is "one billion, seventy-two million, thirty-seven thousand, four hundred thirty-one".