870550120 has 32 divisors (see below), whose sum is σ = 2136805920. Its totient is φ = 316563520.

The previous prime is 870550117. The next prime is 870550123. The reversal of 870550120 is 21055078.

870550120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (870550117) and next prime (870550123).

It is a super-2 number, since 2×870550120² = 1515715022864028800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (870550123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988822 + ... + 989701.

It is an arithmetic number, because the mean of its divisors is an integer number (66775185).

Almost surely, 2^870550120 is an apocalyptic number.

It is an amenable number.

870550120 is an abundant number, since it is smaller than the sum of its proper divisors (1266255800).

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

870550120 is a wasteful number, since it uses less digits than its factorization.

870550120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978545 (or 1978541 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 870550120 is about 29505.0863411718. The cubic root of 870550120 is about 954.8414418376.

The spelling of 870550120 in words is "eight hundred seventy million, five hundred fifty thousand, one hundred twenty".