124540441121 has 4 divisors (see below), whose sum is σ = 131095201200. Its totient is φ = 117985681044.

The previous prime is 124540441097. The next prime is 124540441127. The reversal of 124540441121 is 121144045421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124540441121 - 2²² = 124536246817 is a prime.

It is a super-2 number, since 2×124540441121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124540441127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3277380011 + ... + 3277380048.

It is an arithmetic number, because the mean of its divisors is an integer number (32773800300).

Almost surely, 2^124540441121 is an apocalyptic number.

It is an amenable number.

124540441121 is a deficient number, since it is larger than the sum of its proper divisors (6554760079).

124540441121 is an equidigital number, since it uses as much as digits as its factorization.

124540441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554760078.

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 124540441121 its reverse (121144045421), we get a palindrome (245684486542).

The spelling of 124540441121 in words is "one hundred twenty-four billion, five hundred forty million, four hundred forty-one thousand, one hundred twenty-one".