1105919 has 2 divisors, whose sum is σ = 1105920. Its totient is φ = 1105918.

The previous prime is 1105913. The next prime is 1105943. The reversal of 1105919 is 9195011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105919 is a prime.

It is a super-2 number, since 2×1105919² = 2446113669122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552959 + 552960.

It is an arithmetic number, because the mean of its divisors is an integer number (552960).

2^1105919 is an apocalyptic number.

1105919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105919 is an equidigital number, since it uses as much as digits as its factorization.

1105919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 1105919 is about 1051.6268349562. The cubic root of 1105919 is about 103.4128339520.

The spelling of 1105919 in words is "one million, one hundred five thousand, nine hundred nineteen".