1121302055 has 16 divisors (see below), whose sum is σ = 1362678240. Its totient is φ = 885676032.

The previous prime is 1121302037. The next prime is 1121302067. The reversal of 1121302055 is 5502031211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1121302055 - 2⁸ = 1121301799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219116 + ... + 224174.

It is an arithmetic number, because the mean of its divisors is an integer number (85167390).

Almost surely, 2^1121302055 is an apocalyptic number.

1121302055 is a deficient number, since it is larger than the sum of its proper divisors (241376185).

1121302055 is an equidigital number, since it uses as much as digits as its factorization.

1121302055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1121302055 is about 33485.8485781681. The cubic root of 1121302055 is about 1038.9010998127.

Adding to 1121302055 its reverse (5502031211), we get a palindrome (6623333266).

The spelling of 1121302055 in words is "one billion, one hundred twenty-one million, three hundred two thousand, fifty-five".