124991046 has 64 divisors (see below), whose sum is σ = 284947200. Its totient is φ = 40601088.

The previous prime is 124991029. The next prime is 124991047. The reversal of 124991046 is 640199421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 124991046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124991047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647526 + ... + 647718.

It is an arithmetic number, because the mean of its divisors is an integer number (4452300).

Almost surely, 2^124991046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124991046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142473600).

124991046 is an abundant number, since it is smaller than the sum of its proper divisors (159956154).

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

124991046 is a wasteful number, since it uses less digits than its factorization.

124991046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 124991046 is about 11179.9394452743. The cubic root of 124991046 is about 499.9880610483.

The spelling of 124991046 in words is "one hundred twenty-four million, nine hundred ninety-one thousand, forty-six".