1550121152 has 28 divisors (see below), whose sum is σ = 3089483280. Its totient is φ = 771668736.

The previous prime is 1550121151. The next prime is 1550121163. The reversal of 1550121152 is 2511210551.

It is not an unprimeable number, because it can be changed into a prime (1550121151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38228 + ... + 67539.

Almost surely, 2^1550121152 is an apocalyptic number.

It is an amenable number.

1550121152 is a deficient number, since it is larger than the sum of its proper divisors (1539362128).

1550121152 is a wasteful number, since it uses less digits than its factorization.

1550121152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106008 (or 105998 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 1550121152 is about 39371.5779719330. The cubic root of 1550121152 is about 1157.3246788530.

The spelling of 1550121152 in words is "one billion, five hundred fifty million, one hundred twenty-one thousand, one hundred fifty-two".