124688340 has 216 divisors, whose sum is σ = 448654752. Its totient is φ = 27941760.

The previous prime is 124688329. The next prime is 124688351. The reversal of 124688340 is 43886421.

It is an interprime number because it is at equal distance from previous prime (124688329) and next prime (124688351).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 124688295 and 124688304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 590835 + ... + 591045.

Almost surely, 2^124688340 is an apocalyptic number.

124688340 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 124688340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224327376).

124688340 is an abundant number, since it is smaller than the sum of its proper divisors (323966412).

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

124688340 is a wasteful number, since it uses less digits than its factorization.

124688340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 124688340 is about 11166.3933299880. The cubic root of 124688340 is about 499.5841074961.

The spelling of 124688340 in words is "one hundred twenty-four million, six hundred eighty-eight thousand, three hundred forty".