124561666 has 16 divisors (see below), whose sum is σ = 189116928. Its totient is φ = 61527600.

The previous prime is 124561639. The next prime is 124561667. The reversal of 124561666 is 666165421.

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 7 ways as a sum of consecutive naturals, for example, 57951 + ... + 60061.

It is an arithmetic number, because the mean of its divisors is an integer number (11819808).

Almost surely, 2^124561666 is an apocalyptic number.

124561666 is a deficient number, since it is larger than the sum of its proper divisors (64555262).

124561666 is a wasteful number, since it uses less digits than its factorization.

124561666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457.

The product of its digits is 51840, while the sum is 37.

The square root of 124561666 is about 11160.7197796558. The cubic root of 124561666 is about 499.4148701800.

The spelling of 124561666 in words is "one hundred twenty-four million, five hundred sixty-one thousand, six hundred sixty-six".