1249880 has 16 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 499936.

The previous prime is 1249873. The next prime is 1249901. The reversal of 1249880 is 889421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15584 + ... + 15663.

It is an arithmetic number, because the mean of its divisors is an integer number (175770).

2^1249880 is an apocalyptic number.

1249880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1249880 is an abundant number, since it is smaller than the sum of its proper divisors (1562440).

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

1249880 is a wasteful number, since it uses less digits than its factorization.

1249880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31258 (or 31254 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1249880 is about 1117.9803218304. The cubic root of 1249880 is about 107.7182872958.

The spelling of 1249880 in words is "one million, two hundred forty-nine thousand, eight hundred eighty".