1252272419 has 2 divisors, whose sum is σ = 1252272420. Its totient is φ = 1252272418.

The previous prime is 1252272407. The next prime is 1252272457. The reversal of 1252272419 is 9142722521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1252272419 - 2¹⁶ = 1252206883 is a prime.

It is a super-2 number, since 2×1252272419² = 3136372422776223122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1252272319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626136209 + 626136210.

It is an arithmetic number, because the mean of its divisors is an integer number (626136210).

Almost surely, 2^1252272419 is an apocalyptic number.

1252272419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252272419 is an equidigital number, since it uses as much as digits as its factorization.

1252272419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 1252272419 is about 35387.4613245991. The cubic root of 1252272419 is about 1077.8697202934.

The spelling of 1252272419 in words is "one billion, two hundred fifty-two million, two hundred seventy-two thousand, four hundred nineteen".