1124340 has 48 divisors (see below), whose sum is σ = 3599232. Its totient is φ = 256896.

The previous prime is 1124317. The next prime is 1124351. The reversal of 1124340 is 434211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 919 + ... + 1758.

It is an arithmetic number, because the mean of its divisors is an integer number (74984).

2^1124340 is an apocalyptic number.

1124340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124340 is an abundant number, since it is smaller than the sum of its proper divisors (2474892).

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

1124340 is a wasteful number, since it uses less digits than its factorization.

1124340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1124340 is about 1060.3489991508. The cubic root of 1124340 is about 103.9838485766.

Adding to 1124340 its reverse (434211), we get a palindrome (1558551).

The spelling of 1124340 in words is "one million, one hundred twenty-four thousand, three hundred forty".