122494618 has 16 divisors (see below), whose sum is σ = 186054120. Its totient is φ = 60480000.

The previous prime is 122494613. The next prime is 122494627. The reversal of 122494618 is 816494221.

It can be written as a sum of positive squares in 4 ways, for example, as 122478489 + 16129 = 11067^2 + 127^2 .

It is not an unprimeable number, because it can be changed into a prime (122494613) 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, 120898 + ... + 121906.

Almost surely, 2^122494618 is an apocalyptic number.

122494618 is a deficient number, since it is larger than the sum of its proper divisors (63559502).

122494618 is a wasteful number, since it uses less digits than its factorization.

122494618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713.

The product of its digits is 27648, while the sum is 37.

The square root of 122494618 is about 11067.7286739421. The cubic root of 122494618 is about 496.6369207796.

The spelling of 122494618 in words is "one hundred twenty-two million, four hundred ninety-four thousand, six hundred eighteen".