124691423472 has 900 divisors, whose sum is σ = 479452549680. Its totient is φ = 30052915200.

The previous prime is 124691423431. The next prime is 124691423491. The reversal of 124691423472 is 274324196421.

124691423472 is a `hidden beast` number, since 1 + 2 + 469 + 142 + 3 + 47 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 1756217197 + ... + 1756217267.

Almost surely, 2^124691423472 is an apocalyptic number.

124691423472 is a gapful number since it is divisible by the number (12) 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 124691423472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239726274840).

124691423472 is an abundant number, since it is smaller than the sum of its proper divisors (354761126208).

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

124691423472 is a wasteful number, since it uses less digits than its factorization.

124691423472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 111 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 124691423472 in words is "one hundred twenty-four billion, six hundred ninety-one million, four hundred twenty-three thousand, four hundred seventy-two".