1325320101 has 48 divisors (see below), whose sum is σ = 2240409600. Its totient is φ = 754639200.

The previous prime is 1325320069. The next prime is 1325320109. The reversal of 1325320101 is 1010235231.

1325320101 is a `hidden beast` number, since 1 + 32 + 532 + 0 + 101 = 666.

It is not a de Polignac number, because 1325320101 - 2⁵ = 1325320069 is a prime.

It is a super-2 number, since 2×1325320101² = 3512946740229300402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325320109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1150876 + ... + 1152026.

It is an arithmetic number, because the mean of its divisors is an integer number (46675200).

Almost surely, 2^1325320101 is an apocalyptic number.

It is an amenable number.

1325320101 is a deficient number, since it is larger than the sum of its proper divisors (915089499).

1325320101 is a wasteful number, since it uses less digits than its factorization.

1325320101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1325320101 is about 36404.9461062642. The cubic root of 1325320101 is about 1098.4330584955.

Adding to 1325320101 its reverse (1010235231), we get a palindrome (2335555332).

The spelling of 1325320101 in words is "one billion, three hundred twenty-five million, three hundred twenty thousand, one hundred one".