1090920113 has 2 divisors, whose sum is σ = 1090920114. Its totient is φ = 1090920112.

The previous prime is 1090920091. The next prime is 1090920143. The reversal of 1090920113 is 3110290901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 628153969 + 462766144 = 25063^2 + 21512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090920113 - 2⁶ = 1090920049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1090920143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545460056 + 545460057.

It is an arithmetic number, because the mean of its divisors is an integer number (545460057).

Almost surely, 2^1090920113 is an apocalyptic number.

It is an amenable number.

1090920113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090920113 is an equidigital number, since it uses as much as digits as its factorization.

1090920113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1090920113 is about 33029.0798085566. The cubic root of 1090920113 is about 1029.4319653607.

The spelling of 1090920113 in words is "one billion, ninety million, nine hundred twenty thousand, one hundred thirteen".