1275067973 has 2 divisors, whose sum is σ = 1275067974. Its totient is φ = 1275067972.

The previous prime is 1275067957. The next prime is 1275067991. The reversal of 1275067973 is 3797605721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 892396129 + 382671844 = 29873^2 + 19562^2 .

It is a cyclic number.

It is not a de Polignac number, because 1275067973 - 2⁴ = 1275067957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275067943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637533986 + 637533987.

It is an arithmetic number, because the mean of its divisors is an integer number (637533987).

Almost surely, 2^1275067973 is an apocalyptic number.

It is an amenable number.

1275067973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275067973 is an equidigital number, since it uses as much as digits as its factorization.

1275067973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 47.

The square root of 1275067973 is about 35708.0939424103. The cubic root of 1275067973 is about 1084.3707119874.

The spelling of 1275067973 in words is "one billion, two hundred seventy-five million, sixty-seven thousand, nine hundred seventy-three".