1231080 has 32 divisors (see below), whose sum is σ = 3693600. Its totient is φ = 328256.

The previous prime is 1231073. The next prime is 1231091. The reversal of 1231080 is 801321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5010 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (115425).

2^1231080 is an apocalyptic number.

1231080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231080 is an abundant number, since it is smaller than the sum of its proper divisors (2462520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231080 is a wasteful number, since it uses less digits than its factorization.

1231080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10273 (or 10269 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1231080 is about 1109.5404454097. The cubic root of 1231080 is about 107.1754770519.

The spelling of 1231080 in words is "one million, two hundred thirty-one thousand, eighty".