124201142431 has 4 divisors (see below), whose sum is σ = 126306246600. Its totient is φ = 122096038264.

The previous prime is 124201142407. The next prime is 124201142459. The reversal of 124201142431 is 134241102421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134241102421 = 31973 ⋅4198577.

It is a cyclic number.

It is not a de Polignac number, because 124201142431 - 2¹¹ = 124201140383 is a prime.

It is a super-2 number, since 2×124201142431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124201142396 and 124201142405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124201542431) 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, 1052551996 + ... + 1052552113.

It is an arithmetic number, because the mean of its divisors is an integer number (31576561650).

Almost surely, 2^124201142431 is an apocalyptic number.

124201142431 is a deficient number, since it is larger than the sum of its proper divisors (2105104169).

124201142431 is an equidigital number, since it uses as much as digits as its factorization.

124201142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105104168.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 124201142431 its reverse (134241102421), we get a palindrome (258442244852).

The spelling of 124201142431 in words is "one hundred twenty-four billion, two hundred one million, one hundred forty-two thousand, four hundred thirty-one".