1268227451 has 8 divisors (see below), whose sum is σ = 1281096000. Its totient is φ = 1255377928.

The previous prime is 1268227417. The next prime is 1268227463. The reversal of 1268227451 is 1547228621.

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

It is not a de Polignac number, because 1268227451 - 2²⁶ = 1201118587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268229451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156440 + ... + 164346.

It is an arithmetic number, because the mean of its divisors is an integer number (160137000).

Almost surely, 2^1268227451 is an apocalyptic number.

1268227451 is a deficient number, since it is larger than the sum of its proper divisors (12868549).

1268227451 is a wasteful number, since it uses less digits than its factorization.

1268227451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9513.

The product of its digits is 53760, while the sum is 38.

The square root of 1268227451 is about 35612.1812165444. The cubic root of 1268227451 is about 1082.4280792871.

The spelling of 1268227451 in words is "one billion, two hundred sixty-eight million, two hundred twenty-seven thousand, four hundred fifty-one".