1105747231 has 2 divisors, whose sum is σ = 1105747232. Its totient is φ = 1105747230.

The previous prime is 1105747211. The next prime is 1105747259. The reversal of 1105747231 is 1327475011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105747231 - 2¹¹ = 1105745183 is a prime.

It is a super-2 number, since 2×1105747231² = 2445353877728334722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105747193 and 1105747202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105747211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552873615 + 552873616.

It is an arithmetic number, because the mean of its divisors is an integer number (552873616).

Almost surely, 2^1105747231 is an apocalyptic number.

1105747231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105747231 is an equidigital number, since it uses as much as digits as its factorization.

1105747231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 1105747231 is about 33252.7777937423. Note that the first 4 decimals coincide. The cubic root of 1105747231 is about 1034.0747972061.

The spelling of 1105747231 in words is "one billion, one hundred five million, seven hundred forty-seven thousand, two hundred thirty-one".