151550120 has 32 divisors (see below), whose sum is σ = 341543520. Its totient is φ = 60521280.

The previous prime is 151550111. The next prime is 151550123. The reversal of 151550120 is 21055151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 151550092 and 151550101.

It is not an unprimeable number, because it can be changed into a prime (151550123) 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, 24899 + ... + 30381.

It is an arithmetic number, because the mean of its divisors is an integer number (10673235).

Almost surely, 2^151550120 is an apocalyptic number.

151550120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151550120 is an abundant number, since it is smaller than the sum of its proper divisors (189993400).

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

151550120 is a wasteful number, since it uses less digits than its factorization.

151550120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185 (or 6181 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 151550120 is about 12310.5694425563. The cubic root of 151550120 is about 533.1532916593.

The spelling of 151550120 in words is "one hundred fifty-one million, five hundred fifty thousand, one hundred twenty".