402124122351 has 64 divisors (see below), whose sum is σ = 700201497600. Its totient is φ = 223269395328.

The previous prime is 402124122349. The next prime is 402124122353. The reversal of 402124122351 is 153221421204.

402124122351 is a `hidden beast` number, since 4 + 0 + 2 + 12 + 412 + 235 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (402124122349) and next prime (402124122353).

It is not a de Polignac number, because 402124122351 - 2¹ = 402124122349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402124122353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5128921 + ... + 5206733.

It is an arithmetic number, because the mean of its divisors is an integer number (10940648400).

Almost surely, 2^402124122351 is an apocalyptic number.

402124122351 is a deficient number, since it is larger than the sum of its proper divisors (298077375249).

402124122351 is a wasteful number, since it uses less digits than its factorization.

402124122351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78605 (or 78599 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 402124122351 its reverse (153221421204), we get a palindrome (555345543555).

The spelling of 402124122351 in words is "four hundred two billion, one hundred twenty-four million, one hundred twenty-two thousand, three hundred fifty-one".