124198128 has 30 divisors (see below), whose sum is σ = 347582664. Its totient is φ = 41399328.

The previous prime is 124198093. The next prime is 124198153. The reversal of 124198128 is 821891421.

It is a happy number.

It is a super-3 number, since 3×124198128³ (a number of 25 digits) contains 333 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 124198092 and 124198101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 431100 + ... + 431387.

Almost surely, 2^124198128 is an apocalyptic number.

124198128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

124198128 is an abundant number, since it is smaller than the sum of its proper divisors (223384536).

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

124198128 is a wasteful number, since it uses less digits than its factorization.

124198128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862501 (or 862492 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 124198128 is about 11144.4213847108. The cubic root of 124198128 is about 498.9285429329.

The spelling of 124198128 in words is "one hundred twenty-four million, one hundred ninety-eight thousand, one hundred twenty-eight".