1009201892 has 12 divisors (see below), whose sum is σ = 1768109616. Its totient is φ = 504027720.

The previous prime is 1009201867. The next prime is 1009201939. The reversal of 1009201892 is 2981029001.

It is a happy number.

1009201892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139334 + ... + 146397.

It is an arithmetic number, because the mean of its divisors is an integer number (147342468).

Almost surely, 2^1009201892 is an apocalyptic number.

It is an amenable number.

1009201892 is a deficient number, since it is larger than the sum of its proper divisors (758907724).

1009201892 is a wasteful number, since it uses less digits than its factorization.

1009201892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286618 (or 286616 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1009201892 is about 31767.9381137650. The cubic root of 1009201892 is about 1003.0579368241.

The spelling of 1009201892 in words is "one billion, nine million, two hundred one thousand, eight hundred ninety-two".