124540142210402 has 16 divisors (see below), whose sum is σ = 188155234770720. Its totient is φ = 61821735682752.

The previous prime is 124540142210389. The next prime is 124540142210413. The reversal of 124540142210402 is 204012241045421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52059653 + ... + 54399335.

It is an arithmetic number, because the mean of its divisors is an integer number (11759702173170).

Almost surely, 2^{124540142210402} is an apocalyptic number.

124540142210402 is a deficient number, since it is larger than the sum of its proper divisors (63615092560318).

124540142210402 is a wasteful number, since it uses less digits than its factorization.

124540142210402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531297.

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 124540142210402 its reverse (204012241045421), we get a palindrome (328552383255823).

The spelling of 124540142210402 in words is "one hundred twenty-four trillion, five hundred forty billion, one hundred forty-two million, two hundred ten thousand, four hundred two".