12123741 has 16 divisors (see below), whose sum is σ = 18926208. Its totient is φ = 6758400.

The previous prime is 12123731. The next prime is 12123751. The reversal of 12123741 is 14732121.

It is an interprime number because it is at equal distance from previous prime (12123731) and next prime (12123751).

It is not a de Polignac number, because 12123741 - 2¹⁴ = 12107357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6180 + ... + 7901.

It is an arithmetic number, because the mean of its divisors is an integer number (1182888).

Almost surely, 2^12123741 is an apocalyptic number.

It is an amenable number.

12123741 is a deficient number, since it is larger than the sum of its proper divisors (6802467).

12123741 is a wasteful number, since it uses less digits than its factorization.

12123741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14132.

The product of its digits is 336, while the sum is 21.

The square root of 12123741 is about 3481.9162827386. The cubic root of 12123741 is about 229.7270928184.

Adding to 12123741 its reverse (14732121), we get a palindrome (26855862).

It can be divided in two parts, 121237 and 41, that added together give a triangular number (121278 = T₄₉₂).

The spelling of 12123741 in words is "twelve million, one hundred twenty-three thousand, seven hundred forty-one".