1105306061 has 4 divisors (see below), whose sum is σ = 1120873824. Its totient is φ = 1089738300.

The previous prime is 1105305959. The next prime is 1105306063. The reversal of 1105306061 is 1606035011.

It is a happy number.

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 not a de Polignac number, because 1105306061 - 2²² = 1101111757 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 (1105306063) 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, 7783775 + ... + 7783916.

It is an arithmetic number, because the mean of its divisors is an integer number (280218456).

Almost surely, 2^1105306061 is an apocalyptic number.

It is an amenable number.

1105306061 is a deficient number, since it is larger than the sum of its proper divisors (15567763).

1105306061 is an equidigital number, since it uses as much as digits as its factorization.

1105306061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15567762.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1105306061 is about 33246.1435507940. The cubic root of 1105306061 is about 1033.9372541792.

The spelling of 1105306061 in words is "one billion, one hundred five million, three hundred six thousand, sixty-one".