120015149 has 2 divisors, whose sum is σ = 120015150. Its totient is φ = 120015148.

The previous prime is 120015143. The next prime is 120015197. The reversal of 120015149 is 941510021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117397225 + 2617924 = 10835^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 120015149 - 2¹² = 120011053 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120015143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60007574 + 60007575.

It is an arithmetic number, because the mean of its divisors is an integer number (60007575).

Almost surely, 2^120015149 is an apocalyptic number.

It is an amenable number.

120015149 is a deficient number, since it is larger than the sum of its proper divisors (1).

120015149 is an equidigital number, since it uses as much as digits as its factorization.

120015149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 120015149 is about 10955.1425823674. The cubic root of 120015149 is about 493.2631699076.

The spelling of 120015149 in words is "one hundred twenty million, fifteen thousand, one hundred forty-nine".