124098989 has 8 divisors (see below), whose sum is σ = 145126080. Its totient is φ = 103896576.

The previous prime is 124098979. The next prime is 124098991. The reversal of 124098989 is 989890421.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-124098989 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 (124098959) 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, 205844 + ... + 206445.

It is an arithmetic number, because the mean of its divisors is an integer number (18140760).

Almost surely, 2^124098989 is an apocalyptic number.

It is an amenable number.

124098989 is a deficient number, since it is larger than the sum of its proper divisors (21027091).

124098989 is an equidigital number, since it uses as much as digits as its factorization.

124098989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412339.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 124098989 is about 11139.9725762679. The cubic root of 124098989 is about 498.7957539113.

The spelling of 124098989 in words is "one hundred twenty-four million, ninety-eight thousand, nine hundred eighty-nine".