1325022400 has 84 divisors (see below), whose sum is σ = 3511237072. Its totient is φ = 489231360.

The previous prime is 1325022389. The next prime is 1325022403. The reversal of 1325022400 is 42205231.

It is not an unprimeable number, because it can be changed into a prime (1325022403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11052 + ... + 52651.

Almost surely, 2^1325022400 is an apocalyptic number.

1325022400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325022400 is an abundant number, since it is smaller than the sum of its proper divisors (2186214672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325022400 is a wasteful number, since it uses less digits than its factorization.

1325022400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63738 (or 63723 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1325022400 is about 36400.8571327654. The cubic root of 1325022400 is about 1098.3508068927.

Adding to 1325022400 its reverse (42205231), we get a palindrome (1367227631).

The spelling of 1325022400 in words is "one billion, three hundred twenty-five million, twenty-two thousand, four hundred".