1325112401 has 4 divisors (see below), whose sum is σ = 1325603904. Its totient is φ = 1324620900.

The previous prime is 1325112377. The next prime is 1325112419. The reversal of 1325112401 is 1042115231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1042115231 = 409 ⋅2547959.

It is a cyclic number.

It is not a de Polignac number, because 1325112401 - 2⁶ = 1325112337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325112461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241685 + ... + 247106.

It is an arithmetic number, because the mean of its divisors is an integer number (331400976).

Almost surely, 2^1325112401 is an apocalyptic number.

It is an amenable number.

1325112401 is a deficient number, since it is larger than the sum of its proper divisors (491503).

1325112401 is an equidigital number, since it uses as much as digits as its factorization.

1325112401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491502.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1325112401 is about 36402.0933601352. The cubic root of 1325112401 is about 1098.3756745057.

Adding to 1325112401 its reverse (1042115231), we get a palindrome (2367227632).

It can be divided in two parts, 13251 and 12401, that added together give a palindrome (25652).

The spelling of 1325112401 in words is "one billion, three hundred twenty-five million, one hundred twelve thousand, four hundred one".