122808455 has 24 divisors (see below), whose sum is σ = 187019280. Its totient is φ = 76554240.

The previous prime is 122808449. The next prime is 122808461. The reversal of 122808455 is 554808221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122808449) and next prime (122808461).

It is not a de Polignac number, because 122808455 - 2⁸ = 122808199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20090 + ... + 25479.

It is an arithmetic number, because the mean of its divisors is an integer number (7792470).

Almost surely, 2^122808455 is an apocalyptic number.

122808455 is a deficient number, since it is larger than the sum of its proper divisors (64210825).

122808455 is a wasteful number, since it uses less digits than its factorization.

122808455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45599 (or 45592 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 122808455 is about 11081.8976263093. The cubic root of 122808455 is about 497.0606948291.

The spelling of 122808455 in words is "one hundred twenty-two million, eight hundred eight thousand, four hundred fifty-five".