124643497 has 4 divisors (see below), whose sum is σ = 135974736. Its totient is φ = 113312260.

The previous prime is 124643489. The next prime is 124643503. The reversal of 124643497 is 794346421.

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 124643497 - 2³ = 124643489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124643437) 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, 5665603 + ... + 5665624.

It is an arithmetic number, because the mean of its divisors is an integer number (33993684).

Almost surely, 2^124643497 is an apocalyptic number.

It is an amenable number.

124643497 is a deficient number, since it is larger than the sum of its proper divisors (11331239).

124643497 is a wasteful number, since it uses less digits than its factorization.

124643497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11331238.

The product of its digits is 145152, while the sum is 40.

The square root of 124643497 is about 11164.3852047482. The cubic root of 124643497 is about 499.5242100581.

The spelling of 124643497 in words is "one hundred twenty-four million, six hundred forty-three thousand, four hundred ninety-seven".