124849117 has 2 divisors, whose sum is σ = 124849118. Its totient is φ = 124849116.

The previous prime is 124849051. The next prime is 124849229. The reversal of 124849117 is 711948421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103449241 + 21399876 = 10171^2 + 4626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124849117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124840117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62424558 + 62424559.

It is an arithmetic number, because the mean of its divisors is an integer number (62424559).

Almost surely, 2^124849117 is an apocalyptic number.

It is an amenable number.

124849117 is a deficient number, since it is larger than the sum of its proper divisors (1).

124849117 is an equidigital number, since it uses as much as digits as its factorization.

124849117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 124849117 is about 11173.5901571518. The cubic root of 124849117 is about 499.7987416677.

The spelling of 124849117 in words is "one hundred twenty-four million, eight hundred forty-nine thousand, one hundred seventeen".