1090120911 has 8 divisors (see below), whose sum is σ = 1585630464. Its totient is φ = 660679320.

The previous prime is 1090120891. The next prime is 1090120939. The reversal of 1090120911 is 1190210901.

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

It is not a de Polignac number, because 1090120911 - 2⁹ = 1090120399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090120711) 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, 16516951 + ... + 16517016.

It is an arithmetic number, because the mean of its divisors is an integer number (198203808).

Almost surely, 2^1090120911 is an apocalyptic number.

1090120911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1090120911 is a deficient number, since it is larger than the sum of its proper divisors (495509553).

1090120911 is a wasteful number, since it uses less digits than its factorization.

1090120911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33033981.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 1090120911 is about 33016.9791319557. The cubic root of 1090120911 is about 1029.1805185727.

The spelling of 1090120911 in words is "one billion, ninety million, one hundred twenty thousand, nine hundred eleven".