122766456 has 32 divisors (see below), whose sum is σ = 320261760. Its totient is φ = 39142752.

The previous prime is 122766451. The next prime is 122766461. The reversal of 122766456 is 654667221.

It is an interprime number because it is at equal distance from previous prime (122766451) and next prime (122766461).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122766451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110650 + ... + 111753.

It is an arithmetic number, because the mean of its divisors is an integer number (10008180).

Almost surely, 2^122766456 is an apocalyptic number.

It is an amenable number.

122766456 is an abundant number, since it is smaller than the sum of its proper divisors (197495304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122766456 is a wasteful number, since it uses less digits than its factorization.

122766456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222435 (or 222431 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 122766456 is about 11080.0025270755. The cubic root of 122766456 is about 497.0040254617.

The spelling of 122766456 in words is "one hundred twenty-two million, seven hundred sixty-six thousand, four hundred fifty-six".