102398511 has 16 divisors (see below), whose sum is σ = 138902400. Its totient is φ = 67089120.

The previous prime is 102398503. The next prime is 102398533. The reversal of 102398511 is 115893201.

It is not a de Polignac number, because 102398511 - 2³ = 102398503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102398591) 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, 51565 + ... + 53513.

It is an arithmetic number, because the mean of its divisors is an integer number (8681400).

Almost surely, 2^102398511 is an apocalyptic number.

102398511 is a deficient number, since it is larger than the sum of its proper divisors (36503889).

102398511 is a wasteful number, since it uses less digits than its factorization.

102398511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 102398511 is about 10119.2149399052. The cubic root of 102398511 is about 467.8405704664.

The spelling of 102398511 in words is "one hundred two million, three hundred ninety-eight thousand, five hundred eleven".