102099963 has 16 divisors (see below), whose sum is σ = 159376896. Its totient is φ = 56919360.

The previous prime is 102099961. The next prime is 102099997. The reversal of 102099963 is 369990201.

It is a happy number.

It is not a de Polignac number, because 102099963 - 2¹ = 102099961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102099961) 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, 58431 + ... + 60152.

It is an arithmetic number, because the mean of its divisors is an integer number (9961056).

Almost surely, 2^102099963 is an apocalyptic number.

102099963 is a deficient number, since it is larger than the sum of its proper divisors (57276933).

102099963 is a wasteful number, since it uses less digits than its factorization.

102099963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118634.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 102099963 is about 10104.4526323795. The cubic root of 102099963 is about 467.3854569866.

The spelling of 102099963 in words is "one hundred two million, ninety-nine thousand, nine hundred sixty-three".