122666474 has 16 divisors (see below), whose sum is σ = 210843648. Its totient is φ = 52431792.

The previous prime is 122666471. The next prime is 122666483. The reversal of 122666474 is 474666221.

It is not an unprimeable number, because it can be changed into a prime (122666471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6077 + ... + 16800.

It is an arithmetic number, because the mean of its divisors is an integer number (13177728).

Almost surely, 2^122666474 is an apocalyptic number.

122666474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122666474 is a deficient number, since it is larger than the sum of its proper divisors (88177174).

122666474 is a wasteful number, since it uses less digits than its factorization.

122666474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23269.

The product of its digits is 96768, while the sum is 38.

The square root of 122666474 is about 11075.4897860095. The cubic root of 122666474 is about 496.8690674450.

The spelling of 122666474 in words is "one hundred twenty-two million, six hundred sixty-six thousand, four hundred seventy-four".