12157041 has 16 divisors (see below), whose sum is σ = 18216576. Its totient is φ = 7155456.

The previous prime is 12157039. The next prime is 12157049. The reversal of 12157041 is 14075121.

It is a happy number.

It is not a de Polignac number, because 12157041 - 2¹ = 12157039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12156999 and 12157017.

It is not an unprimeable number, because it can be changed into a prime (12157049) 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, 5880 + ... + 7673.

It is an arithmetic number, because the mean of its divisors is an integer number (1138536).

Almost surely, 2^12157041 is an apocalyptic number.

It is an amenable number.

12157041 is a deficient number, since it is larger than the sum of its proper divisors (6059535).

12157041 is a wasteful number, since it uses less digits than its factorization.

12157041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13592.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 12157041 is about 3486.6948532959. The cubic root of 12157041 is about 229.9372292472.

It can be divided in two parts, 1215 and 7041, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 12157041 in words is "twelve million, one hundred fifty-seven thousand, forty-one".