1080749999 has 16 divisors (see below), whose sum is σ = 1255308288. Its totient is φ = 911272032.

The previous prime is 1080749981. The next prime is 1080750043. The reversal of 1080749999 is 9999470801.

It is a cyclic number.

It is not a de Polignac number, because 1080749999 - 2²⁰ = 1079701423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080749939) 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, 522842 + ... + 524904.

It is an arithmetic number, because the mean of its divisors is an integer number (78456768).

Almost surely, 2^1080749999 is an apocalyptic number.

1080749999 is a deficient number, since it is larger than the sum of its proper divisors (174558289).

1080749999 is a wasteful number, since it uses less digits than its factorization.

1080749999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The square root of 1080749999 is about 32874.7623413463. The cubic root of 1080749999 is about 1026.2230093939.

It can be divided in two parts, 10807 and 49999, that added together give a palindrome (60806).

The spelling of 1080749999 in words is "one billion, eighty million, seven hundred forty-nine thousand, nine hundred ninety-nine".