1092290431 has 8 divisors (see below), whose sum is σ = 1131743664. Its totient is φ = 1053360000.

The previous prime is 1092290413. The next prime is 1092290473. The reversal of 1092290431 is 1340922901.

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

It is a 7-Lehmer number, since φ(1092290431) divides (1092290431-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 1092290431 - 2²³ = 1083901823 is a prime.

It is a super-2 number, since 2×1092290431² = 2386196771308331522, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 1092290431 parts by 46739 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1092290393 and 1092290402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092290231) 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, 126445 + ... + 134806.

It is an arithmetic number, because the mean of its divisors is an integer number (141467958).

Almost surely, 2^1092290431 is an apocalyptic number.

1092290431 is a deficient number, since it is larger than the sum of its proper divisors (39453233).

1092290431 is a wasteful number, since it uses less digits than its factorization.

1092290431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261401.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1092290431 is about 33049.8174125062. The cubic root of 1092290431 is about 1029.8628123440.

The spelling of 1092290431 in words is "one billion, ninety-two million, two hundred ninety thousand, four hundred thirty-one".