12254121 has 24 divisors (see below), whose sum is σ = 19787040. Its totient is φ = 7243200.

The previous prime is 12254113. The next prime is 12254131. The reversal of 12254121 is 12145221.

12254121 is a `hidden beast` number, since 122 + 541 + 2 + 1 = 666.

It is not a de Polignac number, because 12254121 - 2³ = 12254113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12254094 and 12254103.

It is not an unprimeable number, because it can be changed into a prime (12254111) 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, 2550 + ... + 5568.

It is an arithmetic number, because the mean of its divisors is an integer number (824460).

Almost surely, 2^12254121 is an apocalyptic number.

12254121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12254121 is a deficient number, since it is larger than the sum of its proper divisors (7532919).

12254121 is a wasteful number, since it uses less digits than its factorization.

12254121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077 (or 3074 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 12254121 is about 3500.5886647820. The cubic root of 12254121 is about 230.5476615115.

Adding to 12254121 its reverse (12145221), we get a palindrome (24399342).

Subtracting from 12254121 its reverse (12145221), we obtain a square (108900 = 330²).

The spelling of 12254121 in words is "twelve million, two hundred fifty-four thousand, one hundred twenty-one".