102406235 has 16 divisors (see below), whose sum is σ = 128727360. Its totient is φ = 78059520.

The previous prime is 102406141. The next prime is 102406247. The reversal of 102406235 is 532604201.

It is not a de Polignac number, because 102406235 - 2¹⁶ = 102340699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 102406235.

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 in 15 ways as a sum of consecutive naturals, for example, 30731 + ... + 33899.

It is an arithmetic number, because the mean of its divisors is an integer number (8045460).

Almost surely, 2^102406235 is an apocalyptic number.

102406235 is a deficient number, since it is larger than the sum of its proper divisors (26321125).

102406235 is a wasteful number, since it uses less digits than its factorization.

102406235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 102406235 is about 10119.5965828683. The cubic root of 102406235 is about 467.8523333644.

The spelling of 102406235 in words is "one hundred two million, four hundred six thousand, two hundred thirty-five".