1325201019 has 8 divisors (see below), whose sum is σ = 1767788880. Its totient is φ = 883040256.

The previous prime is 1325200967. The next prime is 1325201039. The reversal of 1325201019 is 9101025231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1325201019 - 2²⁰ = 1324152443 is a prime.

It is a super-2 number, since 2×1325201019² = 3512315481517276722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1325201019.

It is not an unprimeable number, because it can be changed into a prime (1325201039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99462 + ... + 111995.

It is an arithmetic number, because the mean of its divisors is an integer number (220973610).

Almost surely, 2^1325201019 is an apocalyptic number.

1325201019 is a deficient number, since it is larger than the sum of its proper divisors (442587861).

1325201019 is a wasteful number, since it uses less digits than its factorization.

1325201019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213549.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1325201019 is about 36403.3105500036. The cubic root of 1325201019 is about 1098.4001588905.

The spelling of 1325201019 in words is "one billion, three hundred twenty-five million, two hundred one thousand, nineteen".