151672122 has 64 divisors (see below), whose sum is σ = 386749440. Its totient is φ = 43160688.

The previous prime is 151672111. The next prime is 151672123. The reversal of 151672122 is 221276151.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (151672123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115393 + ... + 116699.

It is an arithmetic number, because the mean of its divisors is an integer number (6042960).

Almost surely, 2^151672122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151672122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193374720).

151672122 is an abundant number, since it is smaller than the sum of its proper divisors (235077318).

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

151672122 is a wasteful number, since it uses less digits than its factorization.

151672122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1626 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 151672122 is about 12315.5236185880. The cubic root of 151672122 is about 533.2963209558.

The spelling of 151672122 in words is "one hundred fifty-one million, six hundred seventy-two thousand, one hundred twenty-two".