1090109929 has 2 divisors, whose sum is σ = 1090109930. Its totient is φ = 1090109928.

The previous prime is 1090109893. The next prime is 1090109953. The reversal of 1090109929 is 9299010901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 799475625 + 290634304 = 28275^2 + 17048^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090109929 - 2⁹ = 1090109417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1090109891 and 1090109900.

It is not a weakly prime, because it can be changed into another prime (1090109729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545054964 + 545054965.

It is an arithmetic number, because the mean of its divisors is an integer number (545054965).

Almost surely, 2^1090109929 is an apocalyptic number.

It is an amenable number.

1090109929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090109929 is an equidigital number, since it uses as much as digits as its factorization.

1090109929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 40.

The square root of 1090109929 is about 33016.8128231663. The cubic root of 1090109929 is about 1029.1770625346.

The spelling of 1090109929 in words is "one billion, ninety million, one hundred nine thousand, nine hundred twenty-nine".