12151042 has 4 divisors (see below), whose sum is σ = 18226566. Its totient is φ = 6075520.

The previous prime is 12151033. The next prime is 12151063. The reversal of 12151042 is 24015121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6395841 + 5755201 = 2529^2 + 2399^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3037759 + ... + 3037762.

Almost surely, 2^12151042 is an apocalyptic number.

12151042 is a deficient number, since it is larger than the sum of its proper divisors (6075524).

12151042 is an equidigital number, since it uses as much as digits as its factorization.

12151042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075523.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12151042 is about 3485.8344768506. The cubic root of 12151042 is about 229.8994015008.

Adding to 12151042 its reverse (24015121), we get a palindrome (36166163).

The spelling of 12151042 in words is "twelve million, one hundred fifty-one thousand, forty-two".