1252727219 has 2 divisors, whose sum is σ = 1252727220. Its totient is φ = 1252727218.

The previous prime is 1252727197. The next prime is 1252727233. The reversal of 1252727219 is 9127272521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252727219 - 2¹² = 1252723123 is a prime.

It is a super-3 number, since 3×1252727219³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1252727719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626363609 + 626363610.

It is an arithmetic number, because the mean of its divisors is an integer number (626363610).

Almost surely, 2^1252727219 is an apocalyptic number.

1252727219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252727219 is an equidigital number, since it uses as much as digits as its factorization.

1252727219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 1252727219 is about 35393.8867461600. The cubic root of 1252727219 is about 1078.0001913229. Note that the first 3 decimals are identical.

The spelling of 1252727219 in words is "one billion, two hundred fifty-two million, seven hundred twenty-seven thousand, two hundred nineteen".