1128341633 has 4 divisors (see below), whose sum is σ = 1128444420. Its totient is φ = 1128238848.

The previous prime is 1128341623. The next prime is 1128341651. The reversal of 1128341633 is 3361438211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3361438211 = 59 ⋅56973529.

It can be written as a sum of positive squares in 2 ways, for example, as 930433009 + 197908624 = 30503^2 + 14068^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128341633 - 2¹² = 1128337537 is a prime.

It is a super-2 number, since 2×1128341633² = 2546309681522213378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1128341633.

It is not an unprimeable number, because it can be changed into a prime (1128341623) 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, 32648 + ... + 57641.

It is an arithmetic number, because the mean of its divisors is an integer number (282111105).

Almost surely, 2^1128341633 is an apocalyptic number.

It is an amenable number.

1128341633 is a deficient number, since it is larger than the sum of its proper divisors (102787).

1128341633 is an equidigital number, since it uses as much as digits as its factorization.

1128341633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102786.

The product of its digits is 10368, while the sum is 32.

The square root of 1128341633 is about 33590.7968497325. The cubic root of 1128341633 is about 1041.0706531443.

Adding to 1128341633 its reverse (3361438211), we get a palindrome (4489779844).

The spelling of 1128341633 in words is "one billion, one hundred twenty-eight million, three hundred forty-one thousand, six hundred thirty-three".