102241901 has 4 divisors (see below), whose sum is σ = 102287292. Its totient is φ = 102196512.

The previous prime is 102241897. The next prime is 102241921. The reversal of 102241901 is 109142201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62425801 + 39816100 = 7901^2 + 6310^2 .

It is a cyclic number.

It is not a de Polignac number, because 102241901 - 2² = 102241897 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 (102241921) 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, 19130 + ... + 23883.

It is an arithmetic number, because the mean of its divisors is an integer number (25571823).

Almost surely, 2^102241901 is an apocalyptic number.

It is an amenable number.

102241901 is a deficient number, since it is larger than the sum of its proper divisors (45391).

102241901 is an equidigital number, since it uses as much as digits as its factorization.

102241901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45390.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 102241901 is about 10111.4737303718. The cubic root of 102241901 is about 467.6019410323.

The spelling of 102241901 in words is "one hundred two million, two hundred forty-one thousand, nine hundred one".