152121872 has 80 divisors (see below), whose sum is σ = 350870400. Its totient is φ = 63842688.

The previous prime is 152121863. The next prime is 152121887. The reversal of 152121872 is 278121251.

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, 290603 + ... + 291125.

It is an arithmetic number, because the mean of its divisors is an integer number (4385880).

Almost surely, 2^152121872 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 152121872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175435200).

152121872 is an abundant number, since it is smaller than the sum of its proper divisors (198748528).

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

152121872 is an equidigital number, since it uses as much as digits as its factorization.

152121872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 585 counting only the distinct ones).

The product of its digits is 2240, while the sum is 29.

The square root of 152121872 is about 12333.7695778703. The cubic root of 152121872 is about 533.8229247310.

The spelling of 152121872 in words is "one hundred fifty-two million, one hundred twenty-one thousand, eight hundred seventy-two".