124002040 has 32 divisors (see below), whose sum is σ = 285813360. Its totient is φ = 48390400.

The previous prime is 124002031. The next prime is 124002041. The reversal of 124002040 is 40200421.

It is a self number, because there is not a number n which added to its sum of digits gives 124002040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124002041) 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, 36166 + ... + 39445.

Almost surely, 2^124002040 is an apocalyptic number.

124002040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124002040 is an abundant number, since it is smaller than the sum of its proper divisors (161811320).

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

124002040 is a wasteful number, since it uses less digits than its factorization.

124002040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75663 (or 75659 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 124002040 is about 11135.6203239873. The cubic root of 124002040 is about 498.6658298129.

Adding to 124002040 its reverse (40200421), we get a palindrome (164202461).

The spelling of 124002040 in words is "one hundred twenty-four million, two thousand, forty".