1267114213 has 2 divisors, whose sum is σ = 1267114214. Its totient is φ = 1267114212.

The previous prime is 1267114171. The next prime is 1267114249. The reversal of 1267114213 is 3124117621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1266149889 + 964324 = 35583^2 + 982^2 .

It is an emirp because it is prime and its reverse (3124117621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1267114213 - 2¹³ = 1267106021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1267114273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633557106 + 633557107.

It is an arithmetic number, because the mean of its divisors is an integer number (633557107).

Almost surely, 2^1267114213 is an apocalyptic number.

It is an amenable number.

1267114213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1267114213 is an equidigital number, since it uses as much as digits as its factorization.

1267114213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 1267114213 is about 35596.5477680069. The cubic root of 1267114213 is about 1082.1112715461. Note that the first 3 decimals are identical.

The spelling of 1267114213 in words is "one billion, two hundred sixty-seven million, one hundred fourteen thousand, two hundred thirteen".