102195973 has 4 divisors (see below), whose sum is σ = 111486528. Its totient is φ = 92905420.

The previous prime is 102195967. The next prime is 102195979. The reversal of 102195973 is 379591201.

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: 379591201 = 11 ⋅34508291.

It is an interprime number because it is at equal distance from previous prime (102195967) and next prime (102195979).

It is a cyclic number.

It is not a de Polignac number, because 102195973 - 2¹⁷ = 102064901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102195979) 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, 4645261 + ... + 4645282.

It is an arithmetic number, because the mean of its divisors is an integer number (27871632).

Almost surely, 2^102195973 is an apocalyptic number.

It is an amenable number.

102195973 is a deficient number, since it is larger than the sum of its proper divisors (9290555).

102195973 is an equidigital number, since it uses as much as digits as its factorization.

102195973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9290554.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 102195973 is about 10109.2023918804. The cubic root of 102195973 is about 467.5319135182.

The spelling of 102195973 in words is "one hundred two million, one hundred ninety-five thousand, nine hundred seventy-three".