122631140402 has 16 divisors (see below), whose sum is σ = 190049509440. Its totient is φ = 59301150768.

The previous prime is 122631140389. The next prime is 122631140497. The reversal of 122631140402 is 204041136221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4949252 + ... + 4973967.

It is an arithmetic number, because the mean of its divisors is an integer number (11878094340).

Almost surely, 2^122631140402 is an apocalyptic number.

122631140402 is a deficient number, since it is larger than the sum of its proper divisors (67418369038).

122631140402 is a wasteful number, since it uses less digits than its factorization.

122631140402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923425.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 122631140402 its reverse (204041136221), we get a palindrome (326672276623).

The spelling of 122631140402 in words is "one hundred twenty-two billion, six hundred thirty-one million, one hundred forty thousand, four hundred two".