102173441 has 4 divisors (see below), whose sum is σ = 104347392. Its totient is φ = 99999492.

The previous prime is 102173437. The next prime is 102173443. The reversal of 102173441 is 144371201.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 102173441 - 2² = 102173437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102173443) 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, 1086905 + ... + 1086998.

It is an arithmetic number, because the mean of its divisors is an integer number (26086848).

Almost surely, 2^102173441 is an apocalyptic number.

It is an amenable number.

102173441 is a deficient number, since it is larger than the sum of its proper divisors (2173951).

102173441 is an equidigital number, since it uses as much as digits as its factorization.

102173441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173950.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 102173441 is about 10108.0879002905. The cubic root of 102173441 is about 467.4975507702.

The spelling of 102173441 in words is "one hundred two million, one hundred seventy-three thousand, four hundred forty-one".