150125021 has 8 divisors (see below), whose sum is σ = 154403424. Its totient is φ = 145858320.

The previous prime is 150124999. The next prime is 150125051. The reversal of 150125021 is 120521051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150125021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150125051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27506 + ... + 32508.

It is an arithmetic number, because the mean of its divisors is an integer number (19300428).

Almost surely, 2^150125021 is an apocalyptic number.

It is an amenable number.

150125021 is a deficient number, since it is larger than the sum of its proper divisors (4278403).

150125021 is an equidigital number, since it uses as much as digits as its factorization.

150125021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 150125021 is about 12252.5516118072. The cubic root of 150125021 is about 531.4768598622.

Adding to 150125021 its reverse (120521051), we get a palindrome (270646072).

The spelling of 150125021 in words is "one hundred fifty million, one hundred twenty-five thousand, twenty-one".