124287897 has 8 divisors (see below), whose sum is σ = 171063040. Its totient is φ = 80185680.

The previous prime is 124287859. The next prime is 124287899. The reversal of 124287897 is 798782421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124287897 - 2¹⁸ = 124025753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124287899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668122 + ... + 668307.

It is an arithmetic number, because the mean of its divisors is an integer number (21382880).

Almost surely, 2^124287897 is an apocalyptic number.

It is an amenable number.

124287897 is a deficient number, since it is larger than the sum of its proper divisors (46775143).

124287897 is a wasteful number, since it uses less digits than its factorization.

124287897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336463.

The product of its digits is 451584, while the sum is 48.

The square root of 124287897 is about 11148.4481879767. The cubic root of 124287897 is about 499.0487206162.

The spelling of 124287897 in words is "one hundred twenty-four million, two hundred eighty-seven thousand, eight hundred ninety-seven".