1245288 has 64 divisors (see below), whose sum is σ = 3499200. Its totient is φ = 366080.

The previous prime is 1245281. The next prime is 1245331. The reversal of 1245288 is 8825421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245281) 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, 13948 + ... + 14036.

It is an arithmetic number, because the mean of its divisors is an integer number (54675).

2^1245288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1749600).

1245288 is an abundant number, since it is smaller than the sum of its proper divisors (2253912).

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

1245288 is a wasteful number, since it uses less digits than its factorization.

1245288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 158 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 1245288 is about 1115.9247286444. The cubic root of 1245288 is about 107.5862081151.

The spelling of 1245288 in words is "one million, two hundred forty-five thousand, two hundred eighty-eight".