1148880 has 40 divisors (see below), whose sum is σ = 3562272. Its totient is φ = 306304.

The previous prime is 1148879. The next prime is 1148921. The reversal of 1148880 is 888411.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154 + ... + 2633.

2^1148880 is an apocalyptic number.

1148880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148880 is an abundant number, since it is smaller than the sum of its proper divisors (2413392).

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

1148880 is a wasteful number, since it uses less digits than its factorization.

1148880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803 (or 4797 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 1148880 is about 1071.8581995768. The cubic root of 1148880 is about 104.7349323189.

The spelling of 1148880 in words is "one million, one hundred forty-eight thousand, eight hundred eighty".