124121403432 has 128 divisors (see below), whose sum is σ = 371415945600. Its totient is φ = 38179620864.

The previous prime is 124121403421. The next prime is 124121403433. The reversal of 124121403432 is 234304121421.

124121403432 is a `hidden beast` number, since 12 + 4 + 1 + 214 + 0 + 3 + 432 = 666.

It is a super-2 number, since 2×124121403432² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 124121403396 and 124121403405.

It is not an unprimeable number, because it can be changed into a prime (124121403433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16442683 + ... + 16450229.

It is an arithmetic number, because the mean of its divisors is an integer number (2901687075).

Almost surely, 2^124121403432 is an apocalyptic number.

124121403432 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 124121403432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185707972800).

124121403432 is an abundant number, since it is smaller than the sum of its proper divisors (247294542168).

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

124121403432 is a wasteful number, since it uses less digits than its factorization.

124121403432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13432 (or 13422 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 124121403432 its reverse (234304121421), we get a palindrome (358425524853).

The spelling of 124121403432 in words is "one hundred twenty-four billion, one hundred twenty-one million, four hundred three thousand, four hundred thirty-two".