120615049 has 2 divisors, whose sum is σ = 120615050. Its totient is φ = 120615048.

The previous prime is 120615041. The next prime is 120615127. The reversal of 120615049 is 940516021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109935225 + 10679824 = 10485^2 + 3268^2 .

It is a cyclic number.

It is not a de Polignac number, because 120615049 - 2³ = 120615041 is a prime.

It is not a weakly prime, because it can be changed into another prime (120615041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60307524 + 60307525.

It is an arithmetic number, because the mean of its divisors is an integer number (60307525).

Almost surely, 2^120615049 is an apocalyptic number.

It is an amenable number.

120615049 is a deficient number, since it is larger than the sum of its proper divisors (1).

120615049 is an equidigital number, since it uses as much as digits as its factorization.

120615049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 120615049 is about 10982.4882881795. The cubic root of 120615049 is about 494.0836688367.

The spelling of 120615049 in words is "one hundred twenty million, six hundred fifteen thousand, forty-nine".