1122309943 has 4 divisors (see below), whose sum is σ = 1122386328. Its totient is φ = 1122233560.

The previous prime is 1122309941. The next prime is 1122309949. The reversal of 1122309943 is 3499032211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1122309943 - 2¹ = 1122309941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122309899 and 1122309908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122309941) 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, 8413 + ... + 48118.

It is an arithmetic number, because the mean of its divisors is an integer number (280596582).

Almost surely, 2^1122309943 is an apocalyptic number.

1122309943 is a deficient number, since it is larger than the sum of its proper divisors (76385).

1122309943 is an equidigital number, since it uses as much as digits as its factorization.

1122309943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76384.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1122309943 is about 33500.8946596953. The cubic root of 1122309943 is about 1039.2122804247.

The spelling of 1122309943 in words is "one billion, one hundred twenty-two million, three hundred nine thousand, nine hundred forty-three".