124297988418 has 54 divisors (see below), whose sum is σ = 281608579161. Its totient is φ = 39620273616.

The previous prime is 124297988389. The next prime is 124297988431. The reversal of 124297988418 is 814889792421.

124297988418 is a `hidden beast` number, since 1 + 2 + 42 + 97 + 98 + 8 + 418 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 65072438649 + 59225549769 = 255093^2 + 243363^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=249297.

It is a super-2 number, since 2×124297988418² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34401180 + ... + 34404792.

Almost surely, 2^124297988418 is an apocalyptic number.

124297988418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 124297988418

124297988418 is an abundant number, since it is smaller than the sum of its proper divisors (157310590743).

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

124297988418 is an frugal number, since it uses more digits than its factorization.

124297988418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280 (or 3641 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 63.

The spelling of 124297988418 in words is "one hundred twenty-four billion, two hundred ninety-seven million, nine hundred eighty-eight thousand, four hundred eighteen".