102750005 has 16 divisors (see below), whose sum is σ = 132813120. Its totient is φ = 76059648.

The previous prime is 102750001. The next prime is 102750017. The reversal of 102750005 is 500057201.

It is a cyclic number.

It is not a de Polignac number, because 102750005 - 2² = 102750001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102750001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8492 + ... + 16661.

It is an arithmetic number, because the mean of its divisors is an integer number (8300820).

Almost surely, 2^102750005 is an apocalyptic number.

It is an amenable number.

102750005 is a deficient number, since it is larger than the sum of its proper divisors (30063115).

102750005 is a wasteful number, since it uses less digits than its factorization.

102750005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25220.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 102750005 is about 10136.5677129885. The cubic root of 102750005 is about 468.3752636423.

The spelling of 102750005 in words is "one hundred two million, seven hundred fifty thousand, five".