102414181 has 4 divisors (see below), whose sum is σ = 104093164. Its totient is φ = 100735200.

The previous prime is 102414139. The next prime is 102414203. The reversal of 102414181 is 181414201.

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 37933281 + 64480900 = 6159^2 + 8030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102414181 is a prime.

It is a super-2 number, since 2×102414181² = 20977328939801522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102414121) 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, 839400 + ... + 839521.

It is an arithmetic number, because the mean of its divisors is an integer number (26023291).

Almost surely, 2^102414181 is an apocalyptic number.

It is an amenable number.

102414181 is a deficient number, since it is larger than the sum of its proper divisors (1678983).

102414181 is an equidigital number, since it uses as much as digits as its factorization.

102414181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678982.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 102414181 is about 10119.9891798361. The cubic root of 102414181 is about 467.8644337295.

Adding to 102414181 its reverse (181414201), we get a palindrome (283828382).

The spelling of 102414181 in words is "one hundred two million, four hundred fourteen thousand, one hundred eighty-one".