124245117 has 32 divisors (see below), whose sum is σ = 192512000. Its totient is φ = 79101360.

The previous prime is 124245113. The next prime is 124245137. The reversal of 124245117 is 711542421.

124245117 is a `hidden beast` number, since 124 + 24 + 511 + 7 = 666.

It is not a de Polignac number, because 124245117 - 2² = 124245113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124245113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65184 + ... + 67062.

It is an arithmetic number, because the mean of its divisors is an integer number (6016000).

Almost surely, 2^124245117 is an apocalyptic number.

It is an amenable number.

124245117 is a deficient number, since it is larger than the sum of its proper divisors (68266883).

124245117 is a wasteful number, since it uses less digits than its factorization.

124245117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1992 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 124245117 is about 11146.5293701672. The cubic root of 124245117 is about 498.9914563807.

Adding to 124245117 its reverse (711542421), we get a palindrome (835787538).

The spelling of 124245117 in words is "one hundred twenty-four million, two hundred forty-five thousand, one hundred seventeen".