124561668 has 48 divisors (see below), whose sum is σ = 362363904. Its totient is φ = 32353440.

The previous prime is 124561667. The next prime is 124561673. The reversal of 124561668 is 866165421.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (124561667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66480 + ... + 68327.

It is an arithmetic number, because the mean of its divisors is an integer number (7549248).

Almost surely, 2^124561668 is an apocalyptic number.

It is an amenable number.

124561668 is an abundant number, since it is smaller than the sum of its proper divisors (237802236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124561668 is a wasteful number, since it uses less digits than its factorization.

124561668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134832 (or 134830 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 124561668 is about 11160.7198692557. The cubic root of 124561668 is about 499.4148728529.

The spelling of 124561668 in words is "one hundred twenty-four million, five hundred sixty-one thousand, six hundred sixty-eight".