1133512129 has 2 divisors, whose sum is σ = 1133512130. Its totient is φ = 1133512128.

The previous prime is 1133512123. The next prime is 1133512141. The reversal of 1133512129 is 9212153311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1107092529 + 26419600 = 33273^2 + 5140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133512129 - 2²⁵ = 1099957697 is a prime.

It is a super-2 number, since 2×1133512129² = 2569699493180225282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1133512097 and 1133512106.

It is not a weakly prime, because it can be changed into another prime (1133512123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566756064 + 566756065.

It is an arithmetic number, because the mean of its divisors is an integer number (566756065).

Almost surely, 2^1133512129 is an apocalyptic number.

It is an amenable number.

1133512129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133512129 is an equidigital number, since it uses as much as digits as its factorization.

1133512129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 28.

The square root of 1133512129 is about 33667.6718678319. The cubic root of 1133512129 is about 1042.6584259306.

The spelling of 1133512129 in words is "one billion, one hundred thirty-three million, five hundred twelve thousand, one hundred twenty-nine".