1125203419 has 2 divisors, whose sum is σ = 1125203420. Its totient is φ = 1125203418.

The previous prime is 1125203413. The next prime is 1125203423. The reversal of 1125203419 is 9143025211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125203419 - 2⁷ = 1125203291 is a prime.

It is a super-2 number, since 2×1125203419² = 2532165468258579122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1125203413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562601709 + 562601710.

It is an arithmetic number, because the mean of its divisors is an integer number (562601710).

Almost surely, 2^1125203419 is an apocalyptic number.

1125203419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125203419 is an equidigital number, since it uses as much as digits as its factorization.

1125203419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1125203419 is about 33544.0519168451. The cubic root of 1125203419 is about 1040.1045934624.

The spelling of 1125203419 in words is "one billion, one hundred twenty-five million, two hundred three thousand, four hundred nineteen".