12148151 has 4 divisors (see below), whose sum is σ = 12158112. Its totient is φ = 12138192.

The previous prime is 12148141. The next prime is 12148153. The reversal of 12148151 is 15184121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12148151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12148153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2846 + ... + 5691.

It is an arithmetic number, because the mean of its divisors is an integer number (3039528).

Almost surely, 2^12148151 is an apocalyptic number.

12148151 is the 2846-th pentagonal number.

12148151 is a deficient number, since it is larger than the sum of its proper divisors (9961).

12148151 is an equidigital number, since it uses as much as digits as its factorization.

12148151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9960.

The product of its digits is 320, while the sum is 23.

The square root of 12148151 is about 3485.4197738579. The cubic root of 12148151 is about 229.8811673475.

The spelling of 12148151 in words is "twelve million, one hundred forty-eight thousand, one hundred fifty-one".