1325100 has 72 divisors (see below), whose sum is σ = 4388608. Its totient is φ = 302400.

The previous prime is 1325089. The next prime is 1325111. The reversal of 1325100 is 15231.

It is an interprime number because it is at equal distance from previous prime (1325089) and next prime (1325111).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1785 + ... + 2415.

2^1325100 is an apocalyptic number.

1325100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2194304).

1325100 is an abundant number, since it is smaller than the sum of its proper divisors (3063508).

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

1325100 is a wasteful number, since it uses less digits than its factorization.

1325100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1325100 is about 1151.1298797269. The cubic root of 1325100 is about 109.8372248130.

The spelling of 1325100 in words is "one million, three hundred twenty-five thousand, one hundred".