1121243467 has 8 divisors (see below), whose sum is σ = 1134627536. Its totient is φ = 1107896832.

The previous prime is 1121243437. The next prime is 1121243471. The reversal of 1121243467 is 7643421211.

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 1121243467 - 2⁷ = 1121243339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121243437) 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, 53383 + ... + 71359.

It is an arithmetic number, because the mean of its divisors is an integer number (141828442).

Almost surely, 2^1121243467 is an apocalyptic number.

1121243467 is a deficient number, since it is larger than the sum of its proper divisors (13384069).

1121243467 is an equidigital number, since it uses as much as digits as its factorization.

1121243467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18717.

The product of its digits is 8064, while the sum is 31.

The square root of 1121243467 is about 33484.9737494298. The cubic root of 1121243467 is about 1038.8830053134.

Adding to 1121243467 its reverse (7643421211), we get a palindrome (8764664678).

The spelling of 1121243467 in words is "one billion, one hundred twenty-one million, two hundred forty-three thousand, four hundred sixty-seven".