102699434 has 8 divisors (see below), whose sum is σ = 154110180. Its totient is φ = 51329376.

The previous prime is 102699433. The next prime is 102699461. The reversal of 102699434 is 434996201.

It can be written as a sum of positive squares in 2 ways, for example, as 96963409 + 5736025 = 9847^2 + 2395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102699433) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2789 + ... + 14600.

Almost surely, 2^102699434 is an apocalyptic number.

102699434 is a deficient number, since it is larger than the sum of its proper divisors (51410746).

102699434 is a wasteful number, since it uses less digits than its factorization.

102699434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20344.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 102699434 is about 10134.0729225717. The cubic root of 102699434 is about 468.2984101425.

The spelling of 102699434 in words is "one hundred two million, six hundred ninety-nine thousand, four hundred thirty-four".