124121132055 has 20 divisors (see below), whose sum is σ = 222498622632. Its totient is φ = 66197936880.

The previous prime is 124121132041. The next prime is 124121132101. The reversal of 124121132055 is 550231121421.

It is a happy number.

124121132055 is a `hidden beast` number, since 1 + 241 + 211 + 3 + 205 + 5 = 666.

It is not a de Polignac number, because 124121132055 - 2⁴ = 124121132039 is a prime.

It is a super-2 number, since 2×124121132055² (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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 153235561 + ... + 153236370.

Almost surely, 2^124121132055 is an apocalyptic number.

124121132055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

124121132055 is a deficient number, since it is larger than the sum of its proper divisors (98377490577).

124121132055 is an equidigital number, since it uses as much as digits as its factorization.

124121132055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306471948 (or 306471939 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 124121132055 its reverse (550231121421), we get a palindrome (674352253476).

The spelling of 124121132055 in words is "one hundred twenty-four billion, one hundred twenty-one million, one hundred thirty-two thousand, fifty-five".