124161161421 has 24 divisors (see below), whose sum is σ = 184682169952. Its totient is φ = 74126052000.

The previous prime is 124161161363. The next prime is 124161161431.

124161161421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124161161421 - 2¹³ = 124161153229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124161161431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2528230 + ... + 2576871.

Almost surely, 2^124161161421 is an apocalyptic number.

124161161421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124161161421 is a deficient number, since it is larger than the sum of its proper divisors (60521008531).

124161161421 is a wasteful number, since it uses less digits than its factorization.

124161161421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105193 (or 5105182 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

It can be divided in two parts, 124161 and 161421, that added together give a palindrome (285582).

The spelling of 124161161421 in words is "one hundred twenty-four billion, one hundred sixty-one million, one hundred sixty-one thousand, four hundred twenty-one".