122402004 has 12 divisors (see below), whose sum is σ = 285604704. Its totient is φ = 40800664.

The previous prime is 122402003. The next prime is 122402017. The reversal of 122402004 is 400204221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122402003) 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, 5100072 + ... + 5100095.

It is an arithmetic number, because the mean of its divisors is an integer number (23800392).

Almost surely, 2^122402004 is an apocalyptic number.

It is an amenable number.

122402004 is an abundant number, since it is smaller than the sum of its proper divisors (163202700).

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

122402004 is a wasteful number, since it uses less digits than its factorization.

122402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10200174 (or 10200172 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 122402004 is about 11063.5439168469. The cubic root of 122402004 is about 496.5117258138.

Adding to 122402004 its reverse (400204221), we get a palindrome (522606225).

The spelling of 122402004 in words is "one hundred twenty-two million, four hundred two thousand, four".