150021124 has 36 divisors (see below), whose sum is σ = 305565372. Its totient is φ = 64176640.

The previous prime is 150021103. The next prime is 150021127. The reversal of 150021124 is 421120051.

It can be written as a sum of positive squares in 2 ways, for example, as 106461124 + 43560000 = 10318^2 + 6600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 150021098 and 150021107.

It is not an unprimeable number, because it can be changed into a prime (150021127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 889 + ... + 17344.

It is an arithmetic number, because the mean of its divisors is an integer number (8487927).

Almost surely, 2^150021124 is an apocalyptic number.

It is an amenable number.

150021124 is an abundant number, since it is smaller than the sum of its proper divisors (155544248).

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

150021124 is a wasteful number, since it uses less digits than its factorization.

150021124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18276 (or 18263 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 150021124 is about 12248.3110672451. The cubic root of 150021124 is about 531.3542251979.

Adding to 150021124 its reverse (421120051), we get a palindrome (571141175).

The spelling of 150021124 in words is "one hundred fifty million, twenty-one thousand, one hundred twenty-four".