102502241 has 4 divisors (see below), whose sum is σ = 102852372. Its totient is φ = 102152112.

The previous prime is 102502219. The next prime is 102502243. The reversal of 102502241 is 142205201.

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 98109025 + 4393216 = 9905^2 + 2096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102502241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102502243) 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, 174626 + ... + 175211.

It is an arithmetic number, because the mean of its divisors is an integer number (25713093).

Almost surely, 2^102502241 is an apocalyptic number.

It is an amenable number.

102502241 is a deficient number, since it is larger than the sum of its proper divisors (350131).

102502241 is an equidigital number, since it uses as much as digits as its factorization.

102502241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350130.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 102502241 is about 10124.3390401547. The cubic root of 102502241 is about 467.9984917890.

Adding to 102502241 its reverse (142205201), we get a palindrome (244707442).

The spelling of 102502241 in words is "one hundred two million, five hundred two thousand, two hundred forty-one".