1107947243 has 4 divisors (see below), whose sum is σ = 1193173968. Its totient is φ = 1022720520.

The previous prime is 1107947221. The next prime is 1107947251. The reversal of 1107947243 is 3427497011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3427497011 = 347 ⋅9877513.

It is a cyclic number.

It is not a de Polignac number, because 1107947243 - 2¹² = 1107943147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1107947197 and 1107947206.

It is not an unprimeable number, because it can be changed into a prime (1107947213) 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, 42613343 + ... + 42613368.

It is an arithmetic number, because the mean of its divisors is an integer number (298293492).

Almost surely, 2^1107947243 is an apocalyptic number.

1107947243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1107947243 is a deficient number, since it is larger than the sum of its proper divisors (85226725).

1107947243 is an equidigital number, since it uses as much as digits as its factorization.

1107947243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85226724.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1107947243 is about 33285.8414795240. The cubic root of 1107947243 is about 1034.7601466808.

The spelling of 1107947243 in words is "one billion, one hundred seven million, nine hundred forty-seven thousand, two hundred forty-three".