122151304 has 64 divisors (see below), whose sum is σ = 269280000. Its totient is φ = 51347520.

The previous prime is 122151283. The next prime is 122151313. The reversal of 122151304 is 403151221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71047 + ... + 72745.

It is an arithmetic number, because the mean of its divisors is an integer number (4207500).

Almost surely, 2^122151304 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 122151304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134640000).

122151304 is an abundant number, since it is smaller than the sum of its proper divisors (147128696).

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

122151304 is a wasteful number, since it uses less digits than its factorization.

122151304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1774 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 122151304 is about 11052.2081051707. The cubic root of 122151304 is about 496.1725141323.

It can be divided in two parts, 1221 and 51304, that added together give a palindrome (52525).

The spelling of 122151304 in words is "one hundred twenty-two million, one hundred fifty-one thousand, three hundred four".