124204489 has 4 divisors (see below), whose sum is σ = 125953920. Its totient is φ = 122455060.

The previous prime is 124204459. The next prime is 124204541. The reversal of 124204489 is 984402421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 984402421 = 2087 ⋅471683.

It is a cyclic number.

It is not a de Polignac number, because 124204489 - 2⁹ = 124203977 is a prime.

It is a super-2 number, since 2×124204489² = 30853510175502242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124204429) 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, 874609 + ... + 874750.

It is an arithmetic number, because the mean of its divisors is an integer number (31488480).

Almost surely, 2^124204489 is an apocalyptic number.

It is an amenable number.

124204489 is a deficient number, since it is larger than the sum of its proper divisors (1749431).

124204489 is an equidigital number, since it uses as much as digits as its factorization.

124204489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749430.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 124204489 is about 11144.7067704808. The cubic root of 124204489 is about 498.9370605875.

The spelling of 124204489 in words is "one hundred twenty-four million, two hundred four thousand, four hundred eighty-nine".