124661405 has 8 divisors (see below), whose sum is σ = 163193184. Its totient is φ = 90662800.

The previous prime is 124661389. The next prime is 124661419. The reversal of 124661405 is 504166421.

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

It is not a de Polignac number, because 124661405 - 2⁴ = 124661389 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133231 + ... + 1133340.

It is an arithmetic number, because the mean of its divisors is an integer number (20399148).

Almost surely, 2^124661405 is an apocalyptic number.

It is an amenable number.

124661405 is a deficient number, since it is larger than the sum of its proper divisors (38531779).

124661405 is a wasteful number, since it uses less digits than its factorization.

124661405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266587.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 124661405 is about 11165.1871905490. The cubic root of 124661405 is about 499.5481317532.

The spelling of 124661405 in words is "one hundred twenty-four million, six hundred sixty-one thousand, four hundred five".