124779122 has 12 divisors (see below), whose sum is σ = 202674330. Its totient is φ = 57590208.

The previous prime is 124779121. The next prime is 124779139. The reversal of 124779122 is 221977421.

It can be written as a sum of positive squares in 3 ways, for example, as 50112241 + 74666881 = 7079^2 + 8641^2 .

It is not an unprimeable number, because it can be changed into a prime (124779121) 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 5 ways as a sum of consecutive naturals, for example, 184247 + ... + 184922.

Almost surely, 2^124779122 is an apocalyptic number.

124779122 is a deficient number, since it is larger than the sum of its proper divisors (77895208).

124779122 is a wasteful number, since it uses less digits than its factorization.

124779122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369197 (or 369184 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 124779122 is about 11170.4575555346. The cubic root of 124779122 is about 499.7053223643.

The spelling of 124779122 in words is "one hundred twenty-four million, seven hundred seventy-nine thousand, one hundred twenty-two".