124032402 has 96 divisors (see below), whose sum is σ = 301090608. Its totient is φ = 36661248.

The previous prime is 124032401. The next prime is 124032413. The reversal of 124032402 is 204230421.

It can be written as a sum of positive squares in 8 ways, for example, as 61638201 + 62394201 = 7851^2 + 7899^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (124032401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 905278 + ... + 905414.

Almost surely, 2^124032402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124032402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150545304).

124032402 is an abundant number, since it is smaller than the sum of its proper divisors (177058206).

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

124032402 is a wasteful number, since it uses less digits than its factorization.

124032402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 124032402 is about 11136.9835233783. The cubic root of 124032402 is about 498.7065260692.

Adding to 124032402 its reverse (204230421), we get a palindrome (328262823).

The spelling of 124032402 in words is "one hundred twenty-four million, thirty-two thousand, four hundred two".