122765049 has 24 divisors (see below), whose sum is σ = 196109472. Its totient is φ = 73379520.

The previous prime is 122765047. The next prime is 122765057. The reversal of 122765049 is 940567221.

It is not a de Polignac number, because 122765049 - 2¹ = 122765047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122765047) 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 23 ways as a sum of consecutive naturals, for example, 1267 + ... + 15720.

It is an arithmetic number, because the mean of its divisors is an integer number (8171228).

Almost surely, 2^122765049 is an apocalyptic number.

It is an amenable number.

122765049 is a deficient number, since it is larger than the sum of its proper divisors (73344423).

122765049 is a wasteful number, since it uses less digits than its factorization.

122765049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17077 (or 17074 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 122765049 is about 11079.9390341283. The cubic root of 122765049 is about 497.0021267690.

The spelling of 122765049 in words is "one hundred twenty-two million, seven hundred sixty-five thousand, forty-nine".