1297956227 has 8 divisors (see below), whose sum is σ = 1318551552. Its totient is φ = 1277397000.

The previous prime is 1297956211. The next prime is 1297956259. The reversal of 1297956227 is 7226597921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1297956227 - 2⁴ = 1297956211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297956727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68702 + ... + 85532.

It is an arithmetic number, because the mean of its divisors is an integer number (164818944).

Almost surely, 2^1297956227 is an apocalyptic number.

1297956227 is a deficient number, since it is larger than the sum of its proper divisors (20595325).

1297956227 is a wasteful number, since it uses less digits than its factorization.

1297956227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18049.

The product of its digits is 952560, while the sum is 50.

The square root of 1297956227 is about 36027.1595744100. The cubic root of 1297956227 is about 1090.8206447942.

The spelling of 1297956227 in words is "one billion, two hundred ninety-seven million, nine hundred fifty-six thousand, two hundred twenty-seven".