1121236315 has 8 divisors (see below), whose sum is σ = 1403983008. Its totient is φ = 857989440.

The previous prime is 1121236313. The next prime is 1121236373. The reversal of 1121236315 is 5136321211.

It is a happy number.

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

It is not a de Polignac number, because 1121236315 - 2¹ = 1121236313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121236315.

It is not an unprimeable number, because it can be changed into a prime (1121236313) 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, 4874826 + ... + 4875055.

It is an arithmetic number, because the mean of its divisors is an integer number (175497876).

Almost surely, 2^1121236315 is an apocalyptic number.

1121236315 is a deficient number, since it is larger than the sum of its proper divisors (282746693).

1121236315 is an equidigital number, since it uses as much as digits as its factorization.

1121236315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9749909.

The product of its digits is 1080, while the sum is 25.

The square root of 1121236315 is about 33484.8669550888. The cubic root of 1121236315 is about 1038.8807964244.

Adding to 1121236315 its reverse (5136321211), we get a palindrome (6257557526).

The spelling of 1121236315 in words is "one billion, one hundred twenty-one million, two hundred thirty-six thousand, three hundred fifteen".