7142899 has 2 divisors, whose sum is σ = 7142900. Its totient is φ = 7142898.

The previous prime is 7142893. The next prime is 7142909. The reversal of 7142899 is 9982417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7142899 - 2¹⁷ = 7011827 is a prime.

It is a super-2 number, since 2×7142899² = 102042012248402, which contains 22 as substring.

7142899 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7142893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571449 + 3571450.

It is an arithmetic number, because the mean of its divisors is an integer number (3571450).

Almost surely, 2^7142899 is an apocalyptic number.

7142899 is a deficient number, since it is larger than the sum of its proper divisors (1).

7142899 is an equidigital number, since it uses as much as digits as its factorization.

7142899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 7142899 is about 2672.6202498672. The cubic root of 7142899 is about 192.5860547387.

The spelling of 7142899 in words is "seven million, one hundred forty-two thousand, eight hundred ninety-nine".