459121992 has 64 divisors (see below), whose sum is σ = 1388949120. Its totient is φ = 123460608.

The previous prime is 459121973. The next prime is 459122003. The reversal of 459121992 is 299121954.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77523 + ... + 83234.

It is an arithmetic number, because the mean of its divisors is an integer number (21702330).

Almost surely, 2^459121992 is an apocalyptic number.

459121992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

459121992 is an abundant number, since it is smaller than the sum of its proper divisors (929827128).

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

459121992 is a wasteful number, since it uses less digits than its factorization.

459121992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160790 (or 160786 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 459121992 is about 21427.1321459499. The cubic root of 459121992 is about 771.4528100948.

The spelling of 459121992 in words is "four hundred fifty-nine million, one hundred twenty-one thousand, nine hundred ninety-two".