124942636 has 48 divisors (see below), whose sum is σ = 276410176. Its totient is φ = 48086784.

The previous prime is 124942633. The next prime is 124942637. The reversal of 124942636 is 636249421.

It is a happy number.

It is a super-2 number, since 2×124942636² = 31221324581256992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 124942595 and 124942604.

It is not an unprimeable number, because it can be changed into a prime (124942633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8830 + ... + 18106.

Almost surely, 2^124942636 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 124942636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138205088).

124942636 is an abundant number, since it is smaller than the sum of its proper divisors (151467540).

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

124942636 is a wasteful number, since it uses less digits than its factorization.

124942636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338 (or 9336 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 124942636 is about 11177.7741970394. The cubic root of 124942636 is about 499.9235029637.

The spelling of 124942636 in words is "one hundred twenty-four million, nine hundred forty-two thousand, six hundred thirty-six".