1249214419 has 2 divisors, whose sum is σ = 1249214420. Its totient is φ = 1249214418.

The previous prime is 1249214377. The next prime is 1249214431. The reversal of 1249214419 is 9144129421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1249214419 - 2¹³ = 1249206227 is a prime.

It is a super-2 number, since 2×1249214419² = 3121073329275015122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1249214459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624607209 + 624607210.

It is an arithmetic number, because the mean of its divisors is an integer number (624607210).

Almost surely, 2^1249214419 is an apocalyptic number.

1249214419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249214419 is an equidigital number, since it uses as much as digits as its factorization.

1249214419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 1249214419 is about 35344.2275202048. The cubic root of 1249214419 is about 1076.9916333310.

The spelling of 1249214419 in words is "one billion, two hundred forty-nine million, two hundred fourteen thousand, four hundred nineteen".