124126397 has 4 divisors (see below), whose sum is σ = 124152480. Its totient is φ = 124100316.

The previous prime is 124126391. The next prime is 124126421. The reversal of 124126397 is 793621421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124126397 - 2⁸ = 124126141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124126391) 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, 3647 + ... + 16172.

It is an arithmetic number, because the mean of its divisors is an integer number (31038120).

Almost surely, 2^124126397 is an apocalyptic number.

It is an amenable number.

124126397 is a deficient number, since it is larger than the sum of its proper divisors (26083).

124126397 is an equidigital number, since it uses as much as digits as its factorization.

124126397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26082.

The product of its digits is 18144, while the sum is 35.

The square root of 124126397 is about 11141.2026729613. The cubic root of 124126397 is about 498.8324718781.

The spelling of 124126397 in words is "one hundred twenty-four million, one hundred twenty-six thousand, three hundred ninety-seven".