1092631 has 4 divisors (see below), whose sum is σ = 1096264. Its totient is φ = 1089000.

The previous prime is 1092629. The next prime is 1092643. The reversal of 1092631 is 1362901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1362901 = 397 ⋅3433.

It is a 3-Lehmer number, since φ(1092631) divides (1092631-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1092631 - 2¹ = 1092629 is a prime.

It is a super-2 number, since 2×1092631² = 2387685004322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (274066).

2^1092631 is an apocalyptic number.

1092631 is a deficient number, since it is larger than the sum of its proper divisors (3633).

1092631 is an equidigital number, since it uses as much as digits as its factorization.

1092631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1092631 is about 1045.2899119383. The cubic root of 1092631 is about 102.9969836048.

The spelling of 1092631 in words is "one million, ninety-two thousand, six hundred thirty-one".