102411305 has 12 divisors (see below), whose sum is σ = 124122180. Its totient is φ = 81117984.

The previous prime is 102411233. The next prime is 102411313. The reversal of 102411305 is 503114201.

It can be written as a sum of positive squares in 2 ways, for example, as 71453209 + 30958096 = 8453^2 + 5564^2 .

It is not a de Polignac number, because 102411305 - 2¹⁸ = 102149161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56351 + ... + 58139.

It is an arithmetic number, because the mean of its divisors is an integer number (10343515).

Almost surely, 2^102411305 is an apocalyptic number.

It is an amenable number.

102411305 is a deficient number, since it is larger than the sum of its proper divisors (21710875).

102411305 is an equidigital number, since it uses as much as digits as its factorization.

102411305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 102411305 is about 10119.8470838249. The cubic root of 102411305 is about 467.8600541579.

Adding to 102411305 its reverse (503114201), we get a palindrome (605525506).

The spelling of 102411305 in words is "one hundred two million, four hundred eleven thousand, three hundred five".