122690008 has 32 divisors (see below), whose sum is σ = 269026560. Its totient is φ = 51357600.

The previous prime is 122689997. The next prime is 122690023. The reversal of 122690008 is 800096221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23068 + ... + 27883.

It is an arithmetic number, because the mean of its divisors is an integer number (8407080).

Almost surely, 2^122690008 is an apocalyptic number.

It is an amenable number.

122690008 is an abundant number, since it is smaller than the sum of its proper divisors (146336552).

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

122690008 is a wasteful number, since it uses less digits than its factorization.

122690008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51007 (or 51003 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 122690008 is about 11076.5521711406. The cubic root of 122690008 is about 496.9008407799.

Subtracting from 122690008 its product of nonzero digits (1728), we obtain a triangular number (122688280 = T₁₅₆₆₄).

The spelling of 122690008 in words is "one hundred twenty-two million, six hundred ninety thousand, eight".