402122140124 has 6 divisors (see below), whose sum is σ = 703713745224. Its totient is φ = 201061070060.

The previous prime is 402122140117. The next prime is 402122140151. The reversal of 402122140124 is 421041221204.

It is a self number, because there is not a number n which added to its sum of digits gives 402122140124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50265267512 + ... + 50265267519.

It is an arithmetic number, because the mean of its divisors is an integer number (117285624204).

Almost surely, 2^402122140124 is an apocalyptic number.

It is an amenable number.

402122140124 is a deficient number, since it is larger than the sum of its proper divisors (301591605100).

402122140124 is a wasteful number, since it uses less digits than its factorization.

402122140124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100530535035 (or 100530535033 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 402122140124 its reverse (421041221204), we get a palindrome (823163361328).

The spelling of 402122140124 in words is "four hundred two billion, one hundred twenty-two million, one hundred forty thousand, one hundred twenty-four".