1105031243 has 8 divisors (see below), whose sum is σ = 1139366976. Its totient is φ = 1071088200.

The previous prime is 1105031227. The next prime is 1105031267. The reversal of 1105031243 is 3421305011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1105031243 - 2⁴ = 1105031227 is a prime.

It is a super-2 number, since 2×1105031243² = 2442188096012250098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105031293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92453 + ... + 103718.

It is an arithmetic number, because the mean of its divisors is an integer number (142420872).

Almost surely, 2^1105031243 is an apocalyptic number.

1105031243 is a deficient number, since it is larger than the sum of its proper divisors (34335733).

1105031243 is a wasteful number, since it uses less digits than its factorization.

1105031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196345.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1105031243 is about 33242.0102129820. The cubic root of 1105031243 is about 1033.8515560089.

Adding to 1105031243 its reverse (3421305011), we get a palindrome (4526336254).

The spelling of 1105031243 in words is "one billion, one hundred five million, thirty-one thousand, two hundred forty-three".