1253042219 has 18 divisors (see below), whose sum is σ = 1481999148. Its totient is φ = 1050223200.

The previous prime is 1253042207. The next prime is 1253042221. The reversal of 1253042219 is 9122403521.

It is not a de Polignac number, because 1253042219 - 2¹² = 1253038123 is a prime.

It is a super-2 number, since 2×1253042219² = 3140229605192887922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253042191 and 1253042200.

It is not an unprimeable number, because it can be changed into a prime (1253042269) 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 17 ways as a sum of consecutive naturals, for example, 1525829 + ... + 1526649.

It is an arithmetic number, because the mean of its divisors is an integer number (82333286).

Almost surely, 2^1253042219 is an apocalyptic number.

1253042219 is a deficient number, since it is larger than the sum of its proper divisors (228956929).

1253042219 is an frugal number, since it uses more digits than its factorization.

1253042219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1253042219 is about 35398.3363874632. The cubic root of 1253042219 is about 1078.0905386327.

The spelling of 1253042219 in words is "one billion, two hundred fifty-three million, forty-two thousand, two hundred nineteen".