124532420 has 12 divisors (see below), whose sum is σ = 261518124. Its totient is φ = 49812960.

The previous prime is 124532381. The next prime is 124532437. The reversal of 124532420 is 24235421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30558784 + 93973636 = 5528^2 + 9694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3113291 + ... + 3113330.

It is an arithmetic number, because the mean of its divisors is an integer number (21793177).

Almost surely, 2^124532420 is an apocalyptic number.

124532420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124532420 is an abundant number, since it is smaller than the sum of its proper divisors (136985704).

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

124532420 is a wasteful number, since it uses less digits than its factorization.

124532420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226630 (or 6226628 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 124532420 is about 11159.4094825846. The cubic root of 124532420 is about 499.3757810256.

Adding to 124532420 its reverse (24235421), we get a palindrome (148767841).

The spelling of 124532420 in words is "one hundred twenty-four million, five hundred thirty-two thousand, four hundred twenty".