1121653227 has 8 divisors (see below), whose sum is σ = 1497323520. Its totient is φ = 746875880.

The previous prime is 1121653207. The next prime is 1121653241. The reversal of 1121653227 is 7223561211.

1121653227 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1121653227 - 2¹⁴ = 1121636843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121653194 and 1121653203.

It is not an unprimeable number, because it can be changed into a prime (1121653207) 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, 220299 + ... + 225332.

It is an arithmetic number, because the mean of its divisors is an integer number (187165440).

Almost surely, 2^1121653227 is an apocalyptic number.

1121653227 is a deficient number, since it is larger than the sum of its proper divisors (375670293).

1121653227 is an equidigital number, since it uses as much as digits as its factorization.

1121653227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446473.

The product of its digits is 5040, while the sum is 30.

The square root of 1121653227 is about 33491.0917558685. The cubic root of 1121653227 is about 1039.0095436513.

The spelling of 1121653227 in words is "one billion, one hundred twenty-one million, six hundred fifty-three thousand, two hundred twenty-seven".