102612193 has 4 divisors (see below), whose sum is σ = 102871060. Its totient is φ = 102353328.

The previous prime is 102612143. The next prime is 102612199. The reversal of 102612193 is 391216201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391216201 = 373 ⋅1048837.

It can be written as a sum of positive squares in 2 ways, for example, as 56806369 + 45805824 = 7537^2 + 6768^2 .

It is a cyclic number.

It is not a de Polignac number, because 102612193 - 2¹⁷ = 102481121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102612199) 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, 128838 + ... + 129631.

It is an arithmetic number, because the mean of its divisors is an integer number (25717765).

Almost surely, 2^102612193 is an apocalyptic number.

It is an amenable number.

102612193 is a deficient number, since it is larger than the sum of its proper divisors (258867).

102612193 is an equidigital number, since it uses as much as digits as its factorization.

102612193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258866.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 102612193 is about 10129.7676676220. The cubic root of 102612193 is about 468.1657693742.

Adding to 102612193 its reverse (391216201), we get a palindrome (493828394).

The spelling of 102612193 in words is "one hundred two million, six hundred twelve thousand, one hundred ninety-three".