1105657243 has 2 divisors, whose sum is σ = 1105657244. Its totient is φ = 1105657242.

The previous prime is 1105657211. The next prime is 1105657247. The reversal of 1105657243 is 3427565011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105657243 - 2⁵ = 1105657211 is a prime.

It is a super-2 number, since 2×1105657243² = 2444955877996722098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105657199 and 1105657208.

It is not a weakly prime, because it can be changed into another prime (1105657247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552828621 + 552828622.

It is an arithmetic number, because the mean of its divisors is an integer number (552828622).

Almost surely, 2^1105657243 is an apocalyptic number.

1105657243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105657243 is an equidigital number, since it uses as much as digits as its factorization.

1105657243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1105657243 is about 33251.4246762451. The cubic root of 1105657243 is about 1034.0467447288.

The spelling of 1105657243 in words is "one billion, one hundred five million, six hundred fifty-seven thousand, two hundred forty-three".