7142299 has 2 divisors, whose sum is σ = 7142300. Its totient is φ = 7142298.

The previous prime is 7142293. The next prime is 7142321. The reversal of 7142299 is 9922417.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7142299 - 2⁹ = 7141787 is a prime.

It is not a weakly prime, because it can be changed into another prime (7142293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571149 + 3571150.

It is an arithmetic number, because the mean of its divisors is an integer number (3571150).

Almost surely, 2^7142299 is an apocalyptic number.

7142299 is a deficient number, since it is larger than the sum of its proper divisors (1).

7142299 is an equidigital number, since it uses as much as digits as its factorization.

7142299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 7142299 is about 2672.5079981171. The cubic root of 7142299 is about 192.5806622098.

The spelling of 7142299 in words is "seven million, one hundred forty-two thousand, two hundred ninety-nine".