1000452189 has 16 divisors (see below), whose sum is σ = 1456568640. Its totient is φ = 605765760.

The previous prime is 1000452169. The next prime is 1000452197. The reversal of 1000452189 is 9812540001.

It is a happy number.

It is not a de Polignac number, because 1000452189 - 2¹⁵ = 1000419421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000452169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22929 + ... + 50265.

It is an arithmetic number, because the mean of its divisors is an integer number (91035540).

Almost surely, 2^1000452189 is an apocalyptic number.

It is an amenable number.

1000452189 is a deficient number, since it is larger than the sum of its proper divisors (456116451).

1000452189 is a wasteful number, since it uses less digits than its factorization.

1000452189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28460.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1000452189 is about 31629.9255294729. The cubic root of 1000452189 is about 1000.1507069529.

The spelling of 1000452189 in words is "one billion, four hundred fifty-two thousand, one hundred eighty-nine".