12142501 has 8 divisors (see below), whose sum is σ = 14607680. Its totient is φ = 9859968.

The previous prime is 12142499. The next prime is 12142511. The reversal of 12142501 is 10524121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12142501 - 2¹ = 12142499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45516 + ... + 45781.

It is an arithmetic number, because the mean of its divisors is an integer number (1825960).

Almost surely, 2^12142501 is an apocalyptic number.

It is an amenable number.

12142501 is a deficient number, since it is larger than the sum of its proper divisors (2465179).

12142501 is an equidigital number, since it uses as much as digits as its factorization.

12142501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91323.

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

The square root of 12142501 is about 3484.6091602933. The cubic root of 12142501 is about 229.8455232399.

Adding to 12142501 its reverse (10524121), we get a palindrome (22666622).

The spelling of 12142501 in words is "twelve million, one hundred forty-two thousand, five hundred one".