122763305 has 16 divisors (see below), whose sum is σ = 175682304. Its totient is φ = 80520000.

The previous prime is 122763301. The next prime is 122763349. The reversal of 122763305 is 503367221.

It is not a de Polignac number, because 122763305 - 2² = 122763301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122763301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75446 + ... + 77055.

It is an arithmetic number, because the mean of its divisors is an integer number (10980144).

Almost surely, 2^122763305 is an apocalyptic number.

It is an amenable number.

122763305 is a deficient number, since it is larger than the sum of its proper divisors (52918999).

122763305 is a wasteful number, since it uses less digits than its factorization.

122763305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152536.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 122763305 is about 11079.8603330547. The cubic root of 122763305 is about 496.9997732875. Note that the first 3 decimals are identical.

The spelling of 122763305 in words is "one hundred twenty-two million, seven hundred sixty-three thousand, three hundred five".