1267825441 has 2 divisors, whose sum is σ = 1267825442. Its totient is φ = 1267825440.

The previous prime is 1267825409. The next prime is 1267825457. The reversal of 1267825441 is 1445287621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1267644816 + 180625 = 35604^2 + 425^2 .

It is an emirp because it is prime and its reverse (1445287621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1267825441 - 2⁵ = 1267825409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1267825394 and 1267825403.

It is not a weakly prime, because it can be changed into another prime (1267825241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633912720 + 633912721.

It is an arithmetic number, because the mean of its divisors is an integer number (633912721).

Almost surely, 2^1267825441 is an apocalyptic number.

It is an amenable number.

1267825441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1267825441 is an equidigital number, since it uses as much as digits as its factorization.

1267825441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 40.

The square root of 1267825441 is about 35606.5364926161. The cubic root of 1267825441 is about 1082.3136957832.

The spelling of 1267825441 in words is "one billion, two hundred sixty-seven million, eight hundred twenty-five thousand, four hundred forty-one".