124889123 has 8 divisors (see below), whose sum is σ = 132352992. Its totient is φ = 117438336.

The previous prime is 124889119. The next prime is 124889131. The reversal of 124889123 is 321988421.

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

It is a cyclic number.

It is not a de Polignac number, because 124889123 - 2² = 124889119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124889623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22061 + ... + 27137.

It is an arithmetic number, because the mean of its divisors is an integer number (16544124).

Almost surely, 2^124889123 is an apocalyptic number.

124889123 is a deficient number, since it is larger than the sum of its proper divisors (7463869).

124889123 is a wasteful number, since it uses less digits than its factorization.

124889123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541.

The product of its digits is 27648, while the sum is 38.

The square root of 124889123 is about 11175.3802172454. The cubic root of 124889123 is about 499.8521202675.

The spelling of 124889123 in words is "one hundred twenty-four million, eight hundred eighty-nine thousand, one hundred twenty-three".