102799322 has 4 divisors (see below), whose sum is σ = 154198986. Its totient is φ = 51399660.

The previous prime is 102799297. The next prime is 102799331. The reversal of 102799322 is 223997201.

It is a Cunningham number, because it is equal to 10139²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223997201 = 877 ⋅255413.

It can be written as a sum of positive squares in only one way, i.e., 102799321 + 1 = 10139^2 + 1^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25699829 + ... + 25699832.

Almost surely, 2^102799322 is an apocalyptic number.

102799322 is a deficient number, since it is larger than the sum of its proper divisors (51399664).

102799322 is an equidigital number, since it uses as much as digits as its factorization.

102799322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51399663.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 102799322 is about 10139.0000493145. Note that the first 4 decimals coincide. The cubic root of 102799322 is about 468.4501871366.

The spelling of 102799322 in words is "one hundred two million, seven hundred ninety-nine thousand, three hundred twenty-two".