1325142401 has 16 divisors (see below), whose sum is σ = 1597200768. Its totient is φ = 1084512000.

The previous prime is 1325142397. The next prime is 1325142433. The reversal of 1325142401 is 1042415231.

It is not a de Polignac number, because 1325142401 - 2² = 1325142397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325142451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149750 + ... + 158351.

It is an arithmetic number, because the mean of its divisors is an integer number (99825048).

Almost surely, 2^1325142401 is an apocalyptic number.

1325142401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1325142401 is a deficient number, since it is larger than the sum of its proper divisors (272058367).

1325142401 is a wasteful number, since it uses less digits than its factorization.

1325142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308152.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1325142401 is about 36402.5054220173. The cubic root of 1325142401 is about 1098.3839633677.

Adding to 1325142401 its reverse (1042415231), we get a palindrome (2367557632).

The spelling of 1325142401 in words is "one billion, three hundred twenty-five million, one hundred forty-two thousand, four hundred one".