1145969871 has 8 divisors (see below), whose sum is σ = 1594392960. Its totient is φ = 730763352.

The previous prime is 1145969831. The next prime is 1145969879. The reversal of 1145969871 is 1789695411.

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

It is not a de Polignac number, because 1145969871 - 2⁹ = 1145969359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145969879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8304061 + ... + 8304198.

It is an arithmetic number, because the mean of its divisors is an integer number (199299120).

Almost surely, 2^1145969871 is an apocalyptic number.

1145969871 is a deficient number, since it is larger than the sum of its proper divisors (448423089).

1145969871 is a wasteful number, since it uses less digits than its factorization.

1145969871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16608285.

The product of its digits is 544320, while the sum is 51.

The square root of 1145969871 is about 33852.1767542355. The cubic root of 1145969871 is about 1046.4642586793.

The spelling of 1145969871 in words is "one billion, one hundred forty-five million, nine hundred sixty-nine thousand, eight hundred seventy-one".