1106198261 has 4 divisors (see below), whose sum is σ = 1264226592. Its totient is φ = 948169932.

The previous prime is 1106198239. The next prime is 1106198299. The reversal of 1106198261 is 1628916011.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1106198261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106198231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79014155 + ... + 79014168.

It is an arithmetic number, because the mean of its divisors is an integer number (316056648).

Almost surely, 2^1106198261 is an apocalyptic number.

It is an amenable number.

1106198261 is a deficient number, since it is larger than the sum of its proper divisors (158028331).

1106198261 is an equidigital number, since it uses as much as digits as its factorization.

1106198261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158028330.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 1106198261 is about 33259.5589417539. The cubic root of 1106198261 is about 1034.2153764582.

The spelling of 1106198261 in words is "one billion, one hundred six million, one hundred ninety-eight thousand, two hundred sixty-one".