122470878 has 16 divisors (see below), whose sum is σ = 245166336. Its totient is φ = 40786200.

The previous prime is 122470871. The next prime is 122470889. The reversal of 122470878 is 878074221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122470871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (15322896).

Almost surely, 2^122470878 is an apocalyptic number.

122470878 is an abundant number, since it is smaller than the sum of its proper divisors (122695458).

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

122470878 is a wasteful number, since it uses less digits than its factorization.

122470878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18719.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 122470878 is about 11066.6561345331. The cubic root of 122470878 is about 496.6048352277.

The spelling of 122470878 in words is "one hundred twenty-two million, four hundred seventy thousand, eight hundred seventy-eight".