124666413 has 4 divisors (see below), whose sum is σ = 166221888. Its totient is φ = 83110940.

The previous prime is 124666411. The next prime is 124666433. The reversal of 124666413 is 314666421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314666421 = 3 ⋅104888807.

It is a cyclic number.

It is not a de Polignac number, because 124666413 - 2¹ = 124666411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124666411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20777733 + ... + 20777738.

It is an arithmetic number, because the mean of its divisors is an integer number (41555472).

Almost surely, 2^124666413 is an apocalyptic number.

It is an amenable number.

124666413 is a deficient number, since it is larger than the sum of its proper divisors (41555475).

124666413 is an equidigital number, since it uses as much as digits as its factorization.

124666413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41555474.

The product of its digits is 20736, while the sum is 33.

The square root of 124666413 is about 11165.4114568161. The cubic root of 124666413 is about 499.5548210824.

The spelling of 124666413 in words is "one hundred twenty-four million, six hundred sixty-six thousand, four hundred thirteen".