102112093 has 4 divisors (see below), whose sum is σ = 102173148. Its totient is φ = 102051040.

The previous prime is 102112063. The next prime is 102112121. The reversal of 102112093 is 390211201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390211201 = 13591 ⋅28711.

It can be written as a sum of positive squares in 2 ways, for example, as 61496964 + 40615129 = 7842^2 + 6373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102112093 is a prime.

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 102112093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27946 + ... + 31387.

It is an arithmetic number, because the mean of its divisors is an integer number (25543287).

Almost surely, 2^102112093 is an apocalyptic number.

It is an amenable number.

102112093 is a deficient number, since it is larger than the sum of its proper divisors (61055).

102112093 is an equidigital number, since it uses as much as digits as its factorization.

102112093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61054.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 102112093 is about 10105.0528449880. The cubic root of 102112093 is about 467.4039655179.

Adding to 102112093 its reverse (390211201), we get a palindrome (492323294).

The spelling of 102112093 in words is "one hundred two million, one hundred twelve thousand, ninety-three".