1045880 has 32 divisors (see below), whose sum is σ = 2568240. Its totient is φ = 380160.

The previous prime is 1045859. The next prime is 1045903. The reversal of 1045880 is 885401.

It is an Ulam number.

It is a congruent number.

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, 749 + ... + 1628.

2^1045880 is an apocalyptic number.

1045880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045880 is an abundant number, since it is smaller than the sum of its proper divisors (1522360).

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

1045880 is a wasteful number, since it uses less digits than its factorization.

1045880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1045880 is about 1022.6827465055. The cubic root of 1045880 is about 101.5065232366.

The spelling of 1045880 in words is "one million, forty-five thousand, eight hundred eighty".