1121315439 has 8 divisors (see below), whose sum is σ = 1497512880. Its totient is φ = 746330816.

The previous prime is 1121315423. The next prime is 1121315513. The reversal of 1121315439 is 9345131211.

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 1121315439 - 2⁴ = 1121315423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121315339) 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, 301044 + ... + 304745.

It is an arithmetic number, because the mean of its divisors is an integer number (187189110).

Almost surely, 2^1121315439 is an apocalyptic number.

1121315439 is a deficient number, since it is larger than the sum of its proper divisors (376197441).

1121315439 is an equidigital number, since it uses as much as digits as its factorization.

1121315439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606409.

The product of its digits is 3240, while the sum is 30.

The square root of 1121315439 is about 33486.0484231866. The cubic root of 1121315439 is about 1038.9052332803.

The spelling of 1121315439 in words is "one billion, one hundred twenty-one million, three hundred fifteen thousand, four hundred thirty-nine".