122051904 has 112 divisors (see below), whose sum is σ = 351787968. Its totient is φ = 37122048.

The previous prime is 122051887. The next prime is 122051921. The reversal of 122051904 is 409150221.

It is an interprime number because it is at equal distance from previous prime (122051887) and next prime (122051921).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266844 + ... + 267300.

It is an arithmetic number, because the mean of its divisors is an integer number (3140964).

Almost surely, 2^122051904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122051904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175893984).

122051904 is an abundant number, since it is smaller than the sum of its proper divisors (229736064).

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

122051904 is a wasteful number, since it uses less digits than its factorization.

122051904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 122051904 is about 11047.7103510184. The cubic root of 122051904 is about 496.0378916595.

The spelling of 122051904 in words is "one hundred twenty-two million, fifty-one thousand, nine hundred four".