122130402 has 8 divisors (see below), whose sum is σ = 244260816. Its totient is φ = 40710132.

The previous prime is 122130373. The next prime is 122130403. The reversal of 122130402 is 204031221.

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

122130402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (122130403) 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, 10177528 + ... + 10177539.

It is an arithmetic number, because the mean of its divisors is an integer number (30532602).

Almost surely, 2^122130402 is an apocalyptic number.

122130402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122130402 is a wasteful number, since it uses less digits than its factorization.

122130402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20355072.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122130402 is about 11051.2624618186. The cubic root of 122130402 is about 496.1442115568.

Adding to 122130402 its reverse (204031221), we get a palindrome (326161623).

The spelling of 122130402 in words is "one hundred twenty-two million, one hundred thirty thousand, four hundred two".