1121315506 has 8 divisors (see below), whose sum is σ = 1682642304. Its totient is φ = 560434740.

The previous prime is 1121315423. The next prime is 1121315513. The reversal of 1121315506 is 6055131211.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105150 + ... + 115321.

It is an arithmetic number, because the mean of its divisors is an integer number (210330288).

Almost surely, 2^1121315506 is an apocalyptic number.

1121315506 is a deficient number, since it is larger than the sum of its proper divisors (561326798).

1121315506 is a wasteful number, since it uses less digits than its factorization.

1121315506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223016.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1121315506 is about 33486.0494236033. The cubic root of 1121315506 is about 1038.9052539723.

Adding to 1121315506 its reverse (6055131211), we get a palindrome (7176446717).

The spelling of 1121315506 in words is "one billion, one hundred twenty-one million, three hundred fifteen thousand, five hundred six".