1121507795 has 4 divisors (see below), whose sum is σ = 1345809360. Its totient is φ = 897206232.

The previous prime is 1121507791. The next prime is 1121507797. The reversal of 1121507795 is 5977051211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121507795 - 2² = 1121507791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121507791) 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, 112150775 + ... + 112150784.

It is an arithmetic number, because the mean of its divisors is an integer number (336452340).

Almost surely, 2^1121507795 is an apocalyptic number.

1121507795 is a deficient number, since it is larger than the sum of its proper divisors (224301565).

1121507795 is an equidigital number, since it uses as much as digits as its factorization.

1121507795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224301564.

The product of its (nonzero) digits is 22050, while the sum is 38.

The square root of 1121507795 is about 33488.9204812577. The cubic root of 1121507795 is about 1038.9646361988.

The spelling of 1121507795 in words is "one billion, one hundred twenty-one million, five hundred seven thousand, seven hundred ninety-five".