102401193 has 4 divisors (see below), whose sum is σ = 136534928. Its totient is φ = 68267460.

The previous prime is 102401179. The next prime is 102401197. The reversal of 102401193 is 391104201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391104201 = 3 ⋅130368067.

It is not a de Polignac number, because 102401193 - 2⁹ = 102400681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102401197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17066863 + ... + 17066868.

It is an arithmetic number, because the mean of its divisors is an integer number (34133732).

Almost surely, 2^102401193 is an apocalyptic number.

It is an amenable number.

102401193 is a deficient number, since it is larger than the sum of its proper divisors (34133735).

102401193 is an equidigital number, since it uses as much as digits as its factorization.

102401193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34133734.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 102401193 is about 10119.3474591991. The cubic root of 102401193 is about 467.8446549576.

Adding to 102401193 its reverse (391104201), we get a palindrome (493505394).

The spelling of 102401193 in words is "one hundred two million, four hundred one thousand, one hundred ninety-three".