1146920 has 32 divisors (see below), whose sum is σ = 2634120. Its totient is φ = 449280.

The previous prime is 1146917. The next prime is 1146931. The reversal of 1146920 is 296411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 972196 + 174724 = 986^2 + 418^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850 + ... + 2390.

2^1146920 is an apocalyptic number.

1146920 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 1146920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317060).

1146920 is an abundant number, since it is smaller than the sum of its proper divisors (1487200).

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

1146920 is a wasteful number, since it uses less digits than its factorization.

1146920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1146920 is about 1070.9435092478. The cubic root of 1146920 is about 104.6753388264.

The spelling of 1146920 in words is "one million, one hundred forty-six thousand, nine hundred twenty".