102775427 has 8 divisors (see below), whose sum is σ = 110226960. Its totient is φ = 95528160.

The previous prime is 102775399. The next prime is 102775433. The reversal of 102775427 is 724577201.

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

It is a cyclic number.

It is not a de Polignac number, because 102775427 - 2⁶ = 102775363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102775457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50024 + ... + 52037.

It is an arithmetic number, because the mean of its divisors is an integer number (13778370).

Almost surely, 2^102775427 is an apocalyptic number.

102775427 is a deficient number, since it is larger than the sum of its proper divisors (7451533).

102775427 is a wasteful number, since it uses less digits than its factorization.

102775427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102133.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 102775427 is about 10137.8216101883. The cubic root of 102775427 is about 468.4138883090.

The spelling of 102775427 in words is "one hundred two million, seven hundred seventy-five thousand, four hundred twenty-seven".