124240132402 has 8 divisors (see below), whose sum is σ = 189415284012. Its totient is φ = 61101704400.

The previous prime is 124240132399. The next prime is 124240132409. The reversal of 124240132402 is 204231042421.

It can be written as a sum of positive squares in 2 ways, for example, as 117059095321 + 7181037081 = 342139^2 + 84741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×124240132402² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124240132409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509180749 + ... + 509180992.

Almost surely, 2^124240132402 is an apocalyptic number.

124240132402 is a deficient number, since it is larger than the sum of its proper divisors (65175151610).

124240132402 is a wasteful number, since it uses less digits than its factorization.

124240132402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018361804.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 124240132402 its reverse (204231042421), we get a palindrome (328471174823).

The spelling of 124240132402 in words is "one hundred twenty-four billion, two hundred forty million, one hundred thirty-two thousand, four hundred two".