1500121152 has 42 divisors (see below), whose sum is σ = 4299828078. Its totient is φ = 500040192.

The previous prime is 1500121141. The next prime is 1500121153. The reversal of 1500121152 is 2511210051.

1500121152 is a `hidden beast` number, since 1 + 500 + 12 + 1 + 152 = 666.

It can be written as a sum of positive squares in only one way, i.e., 851705856 + 648415296 = 29184^2 + 25464^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1500121153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1301613 + ... + 1302764.

It is an arithmetic number, because the mean of its divisors is an integer number (102376859).

Almost surely, 2^1500121152 is an apocalyptic number.

1500121152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1500121152 is an abundant number, since it is smaller than the sum of its proper divisors (2799706926).

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

1500121152 is a wasteful number, since it uses less digits than its factorization.

1500121152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604395 (or 2604382 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1500121152 is about 38731.3974960884. The cubic root of 1500121152 is about 1144.7450604836.

The spelling of 1500121152 in words is "one billion, five hundred million, one hundred twenty-one thousand, one hundred fifty-two".