1233140 has 12 divisors (see below), whose sum is σ = 2589636. Its totient is φ = 493248.

The previous prime is 1233121. The next prime is 1233143. The reversal of 1233140 is 413321.

It can be written as a sum of positive squares in 2 ways, for example, as 524176 + 708964 = 724^2 + 842^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30809 + ... + 30848.

It is an arithmetic number, because the mean of its divisors is an integer number (215803).

2^1233140 is an apocalyptic number.

1233140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233140 is an abundant number, since it is smaller than the sum of its proper divisors (1356496).

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

1233140 is a wasteful number, since it uses less digits than its factorization.

1233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61666 (or 61664 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1233140 is about 1110.4683696531. The cubic root of 1233140 is about 107.2352236296.

Adding to 1233140 its reverse (413321), we get a palindrome (1646461).

The spelling of 1233140 in words is "one million, two hundred thirty-three thousand, one hundred forty".