1180831 has 6 divisors (see below), whose sum is σ = 1246632. Its totient is φ = 1118340.

The previous prime is 1180819. The next prime is 1180847. The reversal of 1180831 is 1380811.

It is not a de Polignac number, because 1180831 - 2⁵ = 1180799 is a prime.

It is a super-2 number, since 2×1180831² = 2788723701122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1275 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (207772).

2^1180831 is an apocalyptic number.

1180831 is a deficient number, since it is larger than the sum of its proper divisors (65801).

1180831 is an equidigital number, since it uses as much as digits as its factorization.

1180831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1180831 is about 1086.6604805550. The cubic root of 1180831 is about 105.6969808016.

The spelling of 1180831 in words is "one million, one hundred eighty thousand, eight hundred thirty-one".