1069490872 has 8 divisors (see below), whose sum is σ = 2005295400. Its totient is φ = 534745432.

The previous prime is 1069490843. The next prime is 1069490897. The reversal of 1069490872 is 2780949601.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1069490872² = 2287621450582640768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 66843172 + ... + 66843187.

It is an arithmetic number, because the mean of its divisors is an integer number (250661925).

Almost surely, 2^1069490872 is an apocalyptic number.

It is an amenable number.

1069490872 is a deficient number, since it is larger than the sum of its proper divisors (935804528).

1069490872 is a wasteful number, since it uses less digits than its factorization.

1069490872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133686365 (or 133686361 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1069490872 is about 32703.0712930758. The cubic root of 1069490872 is about 1022.6468714963.

The spelling of 1069490872 in words is "one billion, sixty-nine million, four hundred ninety thousand, eight hundred seventy-two".