102939499 has 16 divisors (see below), whose sum is σ = 115153920. Its totient is φ = 91378080.

The previous prime is 102939461. The next prime is 102939517. The reversal of 102939499 is 994939201.

It is not a de Polignac number, because 102939499 - 2¹⁷ = 102808427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102939899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71424 + ... + 72850.

It is an arithmetic number, because the mean of its divisors is an integer number (7197120).

Almost surely, 2^102939499 is an apocalyptic number.

102939499 is a deficient number, since it is larger than the sum of its proper divisors (12214421).

102939499 is a wasteful number, since it uses less digits than its factorization.

102939499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 102939499 is about 10145.9104569280. The cubic root of 102939499 is about 468.6630164169.

The spelling of 102939499 in words is "one hundred two million, nine hundred thirty-nine thousand, four hundred ninety-nine".