123779948 has 12 divisors (see below), whose sum is σ = 222469632. Its totient is φ = 60217200.

The previous prime is 123779939. The next prime is 123779977. The reversal of 123779948 is 849977321.

It is a junction number, because it is equal to n+sod(n) for n = 123779896 and 123779905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418028 + ... + 418323.

It is an arithmetic number, because the mean of its divisors is an integer number (18539136).

Almost surely, 2^123779948 is an apocalyptic number.

It is an amenable number.

123779948 is a deficient number, since it is larger than the sum of its proper divisors (98689684).

123779948 is a wasteful number, since it uses less digits than its factorization.

123779948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836392 (or 836390 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 123779948 is about 11125.6437117139. The cubic root of 123779948 is about 498.3679425733.

The spelling of 123779948 in words is "one hundred twenty-three million, seven hundred seventy-nine thousand, nine hundred forty-eight".