1089754273 has 4 divisors (see below), whose sum is σ = 1093994820. Its totient is φ = 1085513728.

The previous prime is 1089754243. The next prime is 1089754277. The reversal of 1089754273 is 3724579801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3724579801 = 48407 ⋅76943.

It can be written as a sum of positive squares in 2 ways, for example, as 541632529 + 548121744 = 23273^2 + 23412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1089754273 - 2²¹ = 1087657121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089754277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2119888 + ... + 2120401.

It is an arithmetic number, because the mean of its divisors is an integer number (273498705).

Almost surely, 2^1089754273 is an apocalyptic number.

It is an amenable number.

1089754273 is a deficient number, since it is larger than the sum of its proper divisors (4240547).

1089754273 is an equidigital number, since it uses as much as digits as its factorization.

1089754273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240546.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 1089754273 is about 33011.4264005662. The cubic root of 1089754273 is about 1029.0651249517.

The spelling of 1089754273 in words is "one billion, eighty-nine million, seven hundred fifty-four thousand, two hundred seventy-three".