122902563 has 16 divisors (see below), whose sum is σ = 188651520. Its totient is φ = 69715776.

The previous prime is 122902541. The next prime is 122902597. The reversal of 122902563 is 365209221.

It is not a de Polignac number, because 122902563 - 2⁵ = 122902531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122902563.

It is not an unprimeable number, because it can be changed into a prime (122902513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18483 + ... + 24236.

It is an arithmetic number, because the mean of its divisors is an integer number (11790720).

Almost surely, 2^122902563 is an apocalyptic number.

122902563 is a deficient number, since it is larger than the sum of its proper divisors (65748957).

122902563 is a wasteful number, since it uses less digits than its factorization.

122902563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42866.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 122902563 is about 11086.1428368933. The cubic root of 122902563 is about 497.1876281212.

The spelling of 122902563 in words is "one hundred twenty-two million, nine hundred two thousand, five hundred sixty-three".