124181091 has 6 divisors (see below), whose sum is σ = 179372700. Its totient is φ = 82787388.

The previous prime is 124181089. The next prime is 124181137. The reversal of 124181091 is 190181421.

It is not a de Polignac number, because 124181091 - 2¹ = 124181089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124181021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6898941 + ... + 6898958.

It is an arithmetic number, because the mean of its divisors is an integer number (29895450).

Almost surely, 2^124181091 is an apocalyptic number.

124181091 is a deficient number, since it is larger than the sum of its proper divisors (55191609).

124181091 is a wasteful number, since it uses less digits than its factorization.

124181091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13797905 (or 13797902 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 124181091 is about 11143.6569850296. The cubic root of 124181091 is about 498.9057282190.

The spelling of 124181091 in words is "one hundred twenty-four million, one hundred eighty-one thousand, ninety-one".