122545666 has 8 divisors (see below), whose sum is σ = 189748224. Its totient is φ = 59296260.

The previous prime is 122545607. The next prime is 122545667. The reversal of 122545666 is 666545221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (122545667) 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 3 ways as a sum of consecutive naturals, for example, 988210 + ... + 988333.

It is an arithmetic number, because the mean of its divisors is an integer number (23718528).

Almost surely, 2^122545666 is an apocalyptic number.

122545666 is a deficient number, since it is larger than the sum of its proper divisors (67202558).

122545666 is a wasteful number, since it uses less digits than its factorization.

122545666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976576.

The product of its digits is 86400, while the sum is 37.

The square root of 122545666 is about 11070.0345979586. The cubic root of 122545666 is about 496.7059001383.

The spelling of 122545666 in words is "one hundred twenty-two million, five hundred forty-five thousand, six hundred sixty-six".