1123285361 has 8 divisors (see below), whose sum is σ = 1230064704. Its totient is φ = 1017283120.

The previous prime is 1123285357. The next prime is 1123285363. The reversal of 1123285361 is 1635823211.

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 1123285361 - 2² = 1123285357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123285363) 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, 191246 + ... + 197031.

It is an arithmetic number, because the mean of its divisors is an integer number (153758088).

Almost surely, 2^1123285361 is an apocalyptic number.

1123285361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123285361 is a deficient number, since it is larger than the sum of its proper divisors (106779343).

1123285361 is a wasteful number, since it uses less digits than its factorization.

1123285361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388551.

The product of its digits is 8640, while the sum is 32.

The square root of 1123285361 is about 33515.4495867205. The cubic root of 1123285361 is about 1039.5132587322.

The spelling of 1123285361 in words is "one billion, one hundred twenty-three million, two hundred eighty-five thousand, three hundred sixty-one".