1133405121 has 8 divisors (see below), whose sum is σ = 1528187040. Its totient is φ = 747113312.

The previous prime is 1133405093. The next prime is 1133405123. The reversal of 1133405121 is 1215043311.

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 1133405121 - 2¹⁵ = 1133372353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1133405123) 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, 2122215 + ... + 2122748.

It is an arithmetic number, because the mean of its divisors is an integer number (191023380).

Almost surely, 2^1133405121 is an apocalyptic number.

It is an amenable number.

1133405121 is a deficient number, since it is larger than the sum of its proper divisors (394781919).

1133405121 is an equidigital number, since it uses as much as digits as its factorization.

1133405121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245055.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1133405121 is about 33666.0826500500. The cubic root of 1133405121 is about 1042.6256145470.

Adding to 1133405121 its reverse (1215043311), we get a palindrome (2348448432).

The spelling of 1133405121 in words is "one billion, one hundred thirty-three million, four hundred five thousand, one hundred twenty-one".