123020480 has 56 divisors (see below), whose sum is σ = 319582800. Its totient is φ = 44733440.

The previous prime is 123020441. The next prime is 123020507. The reversal of 123020480 is 84020321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13955 + ... + 20994.

Almost surely, 2^123020480 is an apocalyptic number.

123020480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123020480 is an abundant number, since it is smaller than the sum of its proper divisors (196562320).

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

123020480 is a wasteful number, since it uses less digits than its factorization.

123020480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34977 (or 34967 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 123020480 is about 11091.4597776848. The cubic root of 123020480 is about 497.3465836725.

The spelling of 123020480 in words is "one hundred twenty-three million, twenty thousand, four hundred eighty".