124966660 has 144 divisors (see below), whose sum is σ = 348700464. Its totient is φ = 37158912.

The previous prime is 124966657. The next prime is 124966663. The reversal of 124966660 is 66669421.

It is an interprime number because it is at equal distance from previous prime (124966657) and next prime (124966663).

It can be written as a sum of positive squares in 8 ways, for example, as 6635776 + 118330884 = 2576^2 + 10878^2 .

It is a super-2 number, since 2×124966660² = 31233332223111200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124966663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216292 + ... + 216868.

It is an arithmetic number, because the mean of its divisors is an integer number (2421531).

Almost surely, 2^124966660 is an apocalyptic number.

124966660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124966660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174350232).

124966660 is an abundant number, since it is smaller than the sum of its proper divisors (223733804).

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

124966660 is a wasteful number, since it uses less digits than its factorization.

124966660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 124966660 is about 11178.8487779377. The cubic root of 124966660 is about 499.9555427139.

The spelling of 124966660 in words is "one hundred twenty-four million, nine hundred sixty-six thousand, six hundred sixty".