1045920 has 48 divisors (see below), whose sum is σ = 3296160. Its totient is φ = 278784.

The previous prime is 1045907. The next prime is 1045963. The reversal of 1045920 is 295401.

It is a tau number, because it is divible by the number of its divisors (48).

It is a zygodrome in base 4.

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, 610 + ... + 1569.

It is an arithmetic number, because the mean of its divisors is an integer number (68670).

2^1045920 is an apocalyptic number.

1045920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045920 is an abundant number, since it is smaller than the sum of its proper divisors (2250240).

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

1045920 is a wasteful number, since it uses less digits than its factorization.

1045920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1045920 is about 1022.7023027255. The cubic root of 1045920 is about 101.5078172694.

The spelling of 1045920 in words is "one million, forty-five thousand, nine hundred twenty".