120515149 has 2 divisors, whose sum is σ = 120515150. Its totient is φ = 120515148.

The previous prime is 120515141. The next prime is 120515173. The reversal of 120515149 is 941515021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64160100 + 56355049 = 8010^2 + 7507^2 .

It is a cyclic number.

It is not a de Polignac number, because 120515149 - 2³ = 120515141 is a prime.

It is a super-2 number, since 2×120515149² = 29047802276984402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120515141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60257574 + 60257575.

It is an arithmetic number, because the mean of its divisors is an integer number (60257575).

Almost surely, 2^120515149 is an apocalyptic number.

It is an amenable number.

120515149 is a deficient number, since it is larger than the sum of its proper divisors (1).

120515149 is an equidigital number, since it uses as much as digits as its factorization.

120515149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 120515149 is about 10977.9391964066. The cubic root of 120515149 is about 493.9472220929.

The spelling of 120515149 in words is "one hundred twenty million, five hundred fifteen thousand, one hundred forty-nine".