12141154 has 4 divisors (see below), whose sum is σ = 18211734. Its totient is φ = 6070576.

The previous prime is 12141149. The next prime is 12141163. The reversal of 12141154 is 45114121.

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., 9467929 + 2673225 = 3077^2 + 1635^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3035287 + ... + 3035290.

Almost surely, 2^12141154 is an apocalyptic number.

12141154 is a deficient number, since it is larger than the sum of its proper divisors (6070580).

12141154 is an equidigital number, since it uses as much as digits as its factorization.

12141154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070579.

The product of its digits is 160, while the sum is 19.

The square root of 12141154 is about 3484.4158764418. The cubic root of 12141154 is about 229.8370238001.

Adding to 12141154 its reverse (45114121), we get a palindrome (57255275).

The spelling of 12141154 in words is "twelve million, one hundred forty-one thousand, one hundred fifty-four".