10142997 has 4 divisors (see below), whose sum is σ = 13524000. Its totient is φ = 6761996.

The previous prime is 10142963. The next prime is 10143013. The reversal of 10142997 is 79924101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79924101 = 3 ⋅26641367.

It is a cyclic number.

It is not a de Polignac number, because 10142997 - 2¹² = 10138901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690497 + ... + 1690502.

It is an arithmetic number, because the mean of its divisors is an integer number (3381000).

Almost surely, 2^10142997 is an apocalyptic number.

It is an amenable number.

10142997 is a deficient number, since it is larger than the sum of its proper divisors (3381003).

10142997 is an equidigital number, since it uses as much as digits as its factorization.

10142997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381002.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 10142997 is about 3184.8072155156. The cubic root of 10142997 is about 216.4655382711.

The spelling of 10142997 in words is "ten million, one hundred forty-two thousand, nine hundred ninety-seven".