102205058 has 4 divisors (see below), whose sum is σ = 153307590. Its totient is φ = 51102528.

The previous prime is 102205043. The next prime is 102205079. The reversal of 102205058 is 850502201.

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

It can be written as a sum of positive squares in only one way, i.e., 74252689 + 27952369 = 8617^2 + 5287^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551263 + ... + 25551266.

Almost surely, 2^102205058 is an apocalyptic number.

102205058 is a deficient number, since it is larger than the sum of its proper divisors (51102532).

102205058 is an equidigital number, since it uses as much as digits as its factorization.

102205058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51102531.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 102205058 is about 10109.6517249607. The cubic root of 102205058 is about 467.5457672981.

Adding to 102205058 its reverse (850502201), we get a palindrome (952707259).

The spelling of 102205058 in words is "one hundred two million, two hundred five thousand, fifty-eight".