122427678 has 32 divisors (see below), whose sum is σ = 258249600. Its totient is φ = 38585376.

The previous prime is 122427673. The next prime is 122427691. The reversal of 122427678 is 876724221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122427673) 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, 96613 + ... + 97871.

It is an arithmetic number, because the mean of its divisors is an integer number (8070300).

Almost surely, 2^122427678 is an apocalyptic number.

122427678 is an abundant number, since it is smaller than the sum of its proper divisors (135821922).

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

122427678 is a wasteful number, since it uses less digits than its factorization.

122427678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

The product of its digits is 75264, while the sum is 39.

The square root of 122427678 is about 11064.7041532975. The cubic root of 122427678 is about 496.5464380746.

The spelling of 122427678 in words is "one hundred twenty-two million, four hundred twenty-seven thousand, six hundred seventy-eight".