1045900 has 18 divisors (see below), whose sum is σ = 2269820. Its totient is φ = 418320.

The previous prime is 1045859. The next prime is 1045903. The reversal of 1045900 is 95401.

It is not an unprimeable number, because it can be changed into a prime (1045903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5130 + ... + 5329.

2^1045900 is an apocalyptic number.

1045900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045900 is an abundant number, since it is smaller than the sum of its proper divisors (1223920).

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

1045900 is a wasteful number, since it uses less digits than its factorization.

1045900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10473 (or 10466 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1045900 is about 1022.6925246622. The cubic root of 1045900 is about 101.5071702571.

The spelling of 1045900 in words is "one million, forty-five thousand, nine hundred".