124842097 has 4 divisors (see below), whose sum is σ = 125360356. Its totient is φ = 124323840.

The previous prime is 124842049. The next prime is 124842139. The reversal of 124842097 is 790248421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790248421 = 23 ⋅34358627.

It can be written as a sum of positive squares in 2 ways, for example, as 55219761 + 69622336 = 7431^2 + 8344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124842097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124842017) 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, 258768 + ... + 259249.

It is an arithmetic number, because the mean of its divisors is an integer number (31340089).

Almost surely, 2^124842097 is an apocalyptic number.

It is an amenable number.

124842097 is a deficient number, since it is larger than the sum of its proper divisors (518259).

124842097 is an equidigital number, since it uses as much as digits as its factorization.

124842097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518258.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 124842097 is about 11173.2760191450. The cubic root of 124842097 is about 499.7893739525.

The spelling of 124842097 in words is "one hundred twenty-four million, eight hundred forty-two thousand, ninety-seven".