1230267011 has 2 divisors, whose sum is σ = 1230267012. Its totient is φ = 1230267010.

The previous prime is 1230266959. The next prime is 1230267013. The reversal of 1230267011 is 1107620321.

It is a strong prime.

It is an emirp because it is prime and its reverse (1107620321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230267011 is a prime.

Together with 1230267013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1230267013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615133505 + 615133506.

It is an arithmetic number, because the mean of its divisors is an integer number (615133506).

Almost surely, 2^1230267011 is an apocalyptic number.

1230267011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230267011 is an equidigital number, since it uses as much as digits as its factorization.

1230267011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1230267011 is about 35075.1623089616. The cubic root of 1230267011 is about 1071.5187943265.

Adding to 1230267011 its reverse (1107620321), we get a palindrome (2337887332).

The spelling of 1230267011 in words is "one billion, two hundred thirty million, two hundred sixty-seven thousand, eleven".