102768235 has 4 divisors (see below), whose sum is σ = 123321888. Its totient is φ = 82214584.

The previous prime is 102768227. The next prime is 102768251. The reversal of 102768235 is 532867201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 532867201 = 41 ⋅12996761.

It is a cyclic number.

It is not a de Polignac number, because 102768235 - 2³ = 102768227 is a prime.

It is a super-2 number, since 2×102768235² = 21122620250030450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102768235.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10276819 + ... + 10276828.

It is an arithmetic number, because the mean of its divisors is an integer number (30830472).

Almost surely, 2^102768235 is an apocalyptic number.

102768235 is a deficient number, since it is larger than the sum of its proper divisors (20553653).

102768235 is an equidigital number, since it uses as much as digits as its factorization.

102768235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20553652.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 102768235 is about 10137.4668926710. The cubic root of 102768235 is about 468.4029618603.

The spelling of 102768235 in words is "one hundred two million, seven hundred sixty-eight thousand, two hundred thirty-five".