1274472697 has 2 divisors, whose sum is σ = 1274472698. Its totient is φ = 1274472696.

The previous prime is 1274472679. The next prime is 1274472761. The reversal of 1274472697 is 7962744721.

Together with previous prime (1274472679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1030987881 + 243484816 = 32109^2 + 15604^2 .

It is an emirp because it is prime and its reverse (7962744721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1274472697 - 2²³ = 1266084089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1274472697.

It is not a weakly prime, because it can be changed into another prime (1274472637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637236348 + 637236349.

It is an arithmetic number, because the mean of its divisors is an integer number (637236349).

Almost surely, 2^1274472697 is an apocalyptic number.

It is an amenable number.

1274472697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274472697 is an equidigital number, since it uses as much as digits as its factorization.

1274472697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 49.

The square root of 1274472697 is about 35699.7576602419. The cubic root of 1274472697 is about 1084.2019365830.

The spelling of 1274472697 in words is "one billion, two hundred seventy-four million, four hundred seventy-two thousand, six hundred ninety-seven".