84129202 has 8 divisors (see below), whose sum is σ = 126289836. Its totient is φ = 42032592.

The previous prime is 84129181. The next prime is 84129211. The reversal of 84129202 is 20292148.

It can be written as a sum of positive squares in 2 ways, for example, as 55517401 + 28611801 = 7451^2 + 5349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12573 + ... + 18064.

Almost surely, 2^84129202 is an apocalyptic number.

84129202 is a deficient number, since it is larger than the sum of its proper divisors (42160634).

84129202 is a wasteful number, since it uses less digits than its factorization.

84129202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32012.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 84129202 is about 9172.1972285816. The cubic root of 84129202 is about 438.1763396906.

It can be divided in two parts, 84 and 129202, that added together give a triangular number (129286 = T₅₀₈).

The spelling of 84129202 in words is "eighty-four million, one hundred twenty-nine thousand, two hundred two".