1201134427 has 2 divisors, whose sum is σ = 1201134428. Its totient is φ = 1201134426.

The previous prime is 1201134379. The next prime is 1201134479. The reversal of 1201134427 is 7244311021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201134427 - 2¹¹ = 1201132379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201434427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600567213 + 600567214.

It is an arithmetic number, because the mean of its divisors is an integer number (600567214).

Almost surely, 2^1201134427 is an apocalyptic number.

1201134427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201134427 is an equidigital number, since it uses as much as digits as its factorization.

1201134427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1201134427 is about 34657.3863267269. The cubic root of 1201134427 is about 1062.9933272087.

Adding to 1201134427 its reverse (7244311021), we get a palindrome (8445445448).

The spelling of 1201134427 in words is "one billion, two hundred one million, one hundred thirty-four thousand, four hundred twenty-seven".