1081092097 has 4 divisors (see below), whose sum is σ = 1081266736. Its totient is φ = 1080917460.

The previous prime is 1081092091. The next prime is 1081092119. The reversal of 1081092097 is 7902901801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7902901801 = 6317 ⋅1251053.

It is a cyclic number.

It is not a de Polignac number, because 1081092097 - 2¹⁹ = 1080567809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081092091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77679 + ... + 90532.

It is an arithmetic number, because the mean of its divisors is an integer number (270316684).

Almost surely, 2^1081092097 is an apocalyptic number.

It is an amenable number.

1081092097 is a deficient number, since it is larger than the sum of its proper divisors (174639).

1081092097 is an equidigital number, since it uses as much as digits as its factorization.

1081092097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174638.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 1081092097 is about 32879.9649786918. The cubic root of 1081092097 is about 1026.3312773571.

Adding to 1081092097 its reverse (7902901801), we get a palindrome (8983993898).

The spelling of 1081092097 in words is "one billion, eighty-one million, ninety-two thousand, ninety-seven".