1252882166 has 8 divisors (see below), whose sum is σ = 1893669624. Its totient is φ = 621658960.

The previous prime is 1252882159. The next prime is 1252882219. The reversal of 1252882166 is 6612882521.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390735 + ... + 2391258.

It is an arithmetic number, because the mean of its divisors is an integer number (236708703).

Almost surely, 2^1252882166 is an apocalyptic number.

1252882166 is a deficient number, since it is larger than the sum of its proper divisors (640787458).

1252882166 is a wasteful number, since it uses less digits than its factorization.

1252882166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782126.

The product of its digits is 92160, while the sum is 41.

The square root of 1252882166 is about 35396.0755734305. The cubic root of 1252882166 is about 1078.0446346268.

The spelling of 1252882166 in words is "one billion, two hundred fifty-two million, eight hundred eighty-two thousand, one hundred sixty-six".