105202147 has 2 divisors, whose sum is σ = 105202148. Its totient is φ = 105202146.

The previous prime is 105202099. The next prime is 105202157. The reversal of 105202147 is 741202501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105202147 - 2¹¹ = 105200099 is a prime.

It is a super-2 number, since 2×105202147² = 22134983466819218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105202157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52601073 + 52601074.

It is an arithmetic number, because the mean of its divisors is an integer number (52601074).

Almost surely, 2^105202147 is an apocalyptic number.

105202147 is a deficient number, since it is larger than the sum of its proper divisors (1).

105202147 is an equidigital number, since it uses as much as digits as its factorization.

105202147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 105202147 is about 10256.8097866734. The cubic root of 105202147 is about 472.0719555984.

Adding to 105202147 its reverse (741202501), we get a palindrome (846404648).

The spelling of 105202147 in words is "one hundred five million, two hundred two thousand, one hundred forty-seven".