1134220521 has 8 divisors (see below), whose sum is σ = 1728336064. Its totient is φ = 648126000.

The previous prime is 1134220517. The next prime is 1134220547. The reversal of 1134220521 is 1250224311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1134220521 - 2² = 1134220517 is a prime.

It is a super-2 number, since 2×1134220521² = 2572912380515022882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 54010501 = 1134220521 / (1 + 1 + 3 + 4 + 2 + 2 + 0 + 5 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (1134220621) 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, 27005230 + ... + 27005271.

It is an arithmetic number, because the mean of its divisors is an integer number (216042008).

Almost surely, 2^1134220521 is an apocalyptic number.

It is an amenable number.

1134220521 is a deficient number, since it is larger than the sum of its proper divisors (594115543).

1134220521 is an equidigital number, since it uses as much as digits as its factorization.

1134220521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54010511.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1134220521 is about 33678.1905838185. The cubic root of 1134220521 is about 1042.8755849288.

Adding to 1134220521 its reverse (1250224311), we get a palindrome (2384444832).

The spelling of 1134220521 in words is "one billion, one hundred thirty-four million, two hundred twenty thousand, five hundred twenty-one".