1267482641 has 2 divisors, whose sum is σ = 1267482642. Its totient is φ = 1267482640.

The previous prime is 1267482637. The next prime is 1267482653. The reversal of 1267482641 is 1462847621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101974416 + 165508225 = 33196^2 + 12865^2 .

It is an emirp because it is prime and its reverse (1462847621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1267482641 - 2² = 1267482637 is a prime.

It is not a weakly prime, because it can be changed into another prime (1267482661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633741320 + 633741321.

It is an arithmetic number, because the mean of its divisors is an integer number (633741321).

Almost surely, 2^1267482641 is an apocalyptic number.

It is an amenable number.

1267482641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1267482641 is an equidigital number, since it uses as much as digits as its factorization.

1267482641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 1267482641 is about 35601.7224442863. The cubic root of 1267482641 is about 1082.2161401400.

The spelling of 1267482641 in words is "one billion, two hundred sixty-seven million, four hundred eighty-two thousand, six hundred forty-one".