124286740 has 24 divisors (see below), whose sum is σ = 261271080. Its totient is φ = 49663488.

The previous prime is 124286731. The next prime is 124286761. The reversal of 124286740 is 47682421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45751696 + 78535044 = 6764^2 + 8862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 124286696 and 124286705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21256 + ... + 26464.

It is an arithmetic number, because the mean of its divisors is an integer number (10886295).

Almost surely, 2^124286740 is an apocalyptic number.

124286740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124286740 is an abundant number, since it is smaller than the sum of its proper divisors (136984340).

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

124286740 is a wasteful number, since it uses less digits than its factorization.

124286740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6411 (or 6409 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 124286740 is about 11148.3962972259. The cubic root of 124286740 is about 499.0471720579.

The spelling of 124286740 in words is "one hundred twenty-four million, two hundred eighty-six thousand, seven hundred forty".