1148920 has 16 divisors (see below), whose sum is σ = 2585160. Its totient is φ = 459552.

The previous prime is 1148879. The next prime is 1148921. The reversal of 1148920 is 298411.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14322 + ... + 14401.

2^1148920 is an apocalyptic number.

1148920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148920 is an abundant number, since it is smaller than the sum of its proper divisors (1436240).

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

1148920 is a wasteful number, since it uses less digits than its factorization.

1148920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28734 (or 28730 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1148920 is about 1071.8768585990. The cubic root of 1148920 is about 104.7361478067.

The spelling of 1148920 in words is "one million, one hundred forty-eight thousand, nine hundred twenty".