150121181 has 8 divisors (see below), whose sum is σ = 171648960. Its totient is φ = 128613888.

The previous prime is 150121157. The next prime is 150121211. The reversal of 150121181 is 181121051.

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

It is a cyclic number.

It is not a de Polignac number, because 150121181 - 2⁶ = 150121117 is a prime.

It is a super-2 number, since 2×150121181² = 45072737969669522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150121151) 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, 16925 + ... + 24221.

It is an arithmetic number, because the mean of its divisors is an integer number (21456120).

Almost surely, 2^150121181 is an apocalyptic number.

It is an amenable number.

150121181 is a deficient number, since it is larger than the sum of its proper divisors (21527779).

150121181 is an equidigital number, since it uses as much as digits as its factorization.

150121181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10243.

The product of its (nonzero) digits is 80, while the sum is 20.

The square root of 150121181 is about 12252.3949087515. The cubic root of 150121181 is about 531.4723283312.

The spelling of 150121181 in words is "one hundred fifty million, one hundred twenty-one thousand, one hundred eighty-one".