124491020 has 24 divisors (see below), whose sum is σ = 267512784. Its totient is φ = 48638016.

The previous prime is 124491013. The next prime is 124491023. The reversal of 124491020 is 20194421.

It is not an unprimeable number, because it can be changed into a prime (124491023) 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, 71519 + ... + 73238.

It is an arithmetic number, because the mean of its divisors is an integer number (11146366).

Almost surely, 2^124491020 is an apocalyptic number.

124491020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124491020 is an abundant number, since it is smaller than the sum of its proper divisors (143021764).

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

124491020 is a wasteful number, since it uses less digits than its factorization.

124491020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144809 (or 144807 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 124491020 is about 11157.5543915322. The cubic root of 124491020 is about 499.3204368062.

The spelling of 124491020 in words is "one hundred twenty-four million, four hundred ninety-one thousand, twenty".