1248880 has 40 divisors (see below), whose sum is σ = 2959632. Its totient is φ = 489984.

The previous prime is 1248869. The next prime is 1248881. The reversal of 1248880 is 888421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5244 + ... + 5476.

2^1248880 is an apocalyptic number.

1248880 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 1248880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479816).

1248880 is an abundant number, since it is smaller than the sum of its proper divisors (1710752).

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

1248880 is a wasteful number, since it uses less digits than its factorization.

1248880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 1248880 is about 1117.5329972757. The cubic root of 1248880 is about 107.6895519965.

The spelling of 1248880 in words is "one million, two hundred forty-eight thousand, eight hundred eighty".