124889017 has 16 divisors (see below), whose sum is σ = 139392000. Its totient is φ = 110935440.

The previous prime is 124889003. The next prime is 124889027. The reversal of 124889017 is 710988421.

It is a happy number.

It is not a de Polignac number, because 124889017 - 2¹¹ = 124886969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124889027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128668 + ... + 129634.

It is an arithmetic number, because the mean of its divisors is an integer number (8712000).

Almost surely, 2^124889017 is an apocalyptic number.

It is an amenable number.

124889017 is a deficient number, since it is larger than the sum of its proper divisors (14502983).

124889017 is a wasteful number, since it uses less digits than its factorization.

124889017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 124889017 is about 11175.3754746765. The cubic root of 124889017 is about 499.8519788505.

The spelling of 124889017 in words is "one hundred twenty-four million, eight hundred eighty-nine thousand, seventeen".