124575661 has 8 divisors (see below), whose sum is σ = 142617024. Its totient is φ = 106595520.

The previous prime is 124575631. The next prime is 124575667. The reversal of 124575661 is 166575421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124575661 - 2⁹ = 124575149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124575661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124575667) 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 7 ways as a sum of consecutive naturals, for example, 10855 + ... + 19156.

It is an arithmetic number, because the mean of its divisors is an integer number (17827128).

Almost surely, 2^124575661 is an apocalyptic number.

It is an amenable number.

124575661 is a deficient number, since it is larger than the sum of its proper divisors (18041363).

124575661 is an equidigital number, since it uses as much as digits as its factorization.

124575661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30611.

The product of its digits is 50400, while the sum is 37.

The square root of 124575661 is about 11161.3467377373. The cubic root of 124575661 is about 499.4335732304.

The spelling of 124575661 in words is "one hundred twenty-four million, five hundred seventy-five thousand, six hundred sixty-one".