1230140 has 12 divisors (see below), whose sum is σ = 2583336. Its totient is φ = 492048.

The previous prime is 1230127. The next prime is 1230167. The reversal of 1230140 is 410321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30734 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (215278).

2^1230140 is an apocalyptic number.

1230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230140 is an abundant number, since it is smaller than the sum of its proper divisors (1353196).

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

1230140 is a wasteful number, since it uses less digits than its factorization.

1230140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61516 (or 61514 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1230140 is about 1109.1167657195. The cubic root of 1230140 is about 107.1481919037.

Adding to 1230140 its reverse (410321), we get a palindrome (1640461).

The spelling of 1230140 in words is "one million, two hundred thirty thousand, one hundred forty".