1133420237 has 2 divisors, whose sum is σ = 1133420238. Its totient is φ = 1133420236.

The previous prime is 1133420201. The next prime is 1133420257. The reversal of 1133420237 is 7320243311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 937951876 + 195468361 = 30626^2 + 13981^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133420237 - 2²⁶ = 1066311373 is a prime.

It is a super-2 number, since 2×1133420237² = 2569282867282272338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133420257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566710118 + 566710119.

It is an arithmetic number, because the mean of its divisors is an integer number (566710119).

Almost surely, 2^1133420237 is an apocalyptic number.

It is an amenable number.

1133420237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133420237 is an equidigital number, since it uses as much as digits as its factorization.

1133420237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 1133420237 is about 33666.3071482454. The cubic root of 1133420237 is about 1042.6302496236.

Adding to 1133420237 its reverse (7320243311), we get a palindrome (8453663548).

The spelling of 1133420237 in words is "one billion, one hundred thirty-three million, four hundred twenty thousand, two hundred thirty-seven".