124889436 has 108 divisors (see below), whose sum is σ = 372094632. Its totient is φ = 35211456.

The previous prime is 124889419. The next prime is 124889449. The reversal of 124889436 is 634988421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 124889391 and 124889400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 145986 + ... + 146838.

Almost surely, 2^124889436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124889436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186047316).

124889436 is an abundant number, since it is smaller than the sum of its proper divisors (247205196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124889436 is a wasteful number, since it uses less digits than its factorization.

124889436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 948 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 124889436 is about 11175.3942212344. The cubic root of 124889436 is about 499.8525378474.

The spelling of 124889436 in words is "one hundred twenty-four million, eight hundred eighty-nine thousand, four hundred thirty-six".