1245132 has 84 divisors (see below), whose sum is σ = 3794896. Its totient is φ = 349920.

The previous prime is 1245121. The next prime is 1245137. The reversal of 1245132 is 2315421.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1245137) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20382 + ... + 20442.

2^1245132 is an apocalyptic number.

1245132 is a gapful number since it is divisible by the number (12) 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 1245132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897448).

1245132 is an abundant number, since it is smaller than the sum of its proper divisors (2549764).

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

1245132 is an equidigital number, since it uses as much as digits as its factorization.

1245132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 73 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1245132 is about 1115.8548292677. The cubic root of 1245132 is about 107.5817154062.

The spelling of 1245132 in words is "one million, two hundred forty-five thousand, one hundred thirty-two".