1092921081 has 8 divisors (see below), whose sum is σ = 1665403584. Its totient is φ = 624526320.

The previous prime is 1092921077. The next prime is 1092921149. The reversal of 1092921081 is 1801292901.

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

It is not a de Polignac number, because 1092921081 - 2² = 1092921077 is a prime.

It is a super-2 number, since 2×1092921081² = 2388952978588417122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1092921001) 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, 26021910 + ... + 26021951.

It is an arithmetic number, because the mean of its divisors is an integer number (208175448).

Almost surely, 2^1092921081 is an apocalyptic number.

It is an amenable number.

1092921081 is a deficient number, since it is larger than the sum of its proper divisors (572482503).

1092921081 is an equidigital number, since it uses as much as digits as its factorization.

1092921081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52043871.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 1092921081 is about 33059.3569356695. The cubic root of 1092921081 is about 1030.0609763757.

The spelling of 1092921081 in words is "one billion, ninety-two million, nine hundred twenty-one thousand, eighty-one".