1052471909 has 8 divisors (see below), whose sum is σ = 1064181888. Its totient is φ = 1040826640.

The previous prime is 1052471899. The next prime is 1052471939. The reversal of 1052471909 is 9091742501.

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

It is a cyclic number.

It is not a de Polignac number, because 1052471909 - 2¹² = 1052467813 is a prime.

It is a super-2 number, since 2×1052471909² = 2215394238468208562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052471939) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16904 + ... + 48894.

It is an arithmetic number, because the mean of its divisors is an integer number (133022736).

Almost surely, 2^1052471909 is an apocalyptic number.

It is an amenable number.

1052471909 is a deficient number, since it is larger than the sum of its proper divisors (11709979).

1052471909 is a wasteful number, since it uses less digits than its factorization.

1052471909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32355.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1052471909 is about 32441.8234536840. The cubic root of 1052471909 is about 1017.1933315077.

The spelling of 1052471909 in words is "one billion, fifty-two million, four hundred seventy-one thousand, nine hundred nine".