1262140 has 24 divisors (see below), whose sum is σ = 2891952. Its totient is φ = 458880.

The previous prime is 1262119. The next prime is 1262143. The reversal of 1262140 is 412621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1262143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2649 + ... + 3088.

It is an arithmetic number, because the mean of its divisors is an integer number (120498).

2^1262140 is an apocalyptic number.

1262140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1262140 is an abundant number, since it is smaller than the sum of its proper divisors (1629812).

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

1262140 is a wasteful number, since it uses less digits than its factorization.

1262140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757 (or 5755 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1262140 is about 1123.4500433931. The cubic root of 1262140 is about 108.0693427566.

Adding to 1262140 its reverse (412621), we get a palindrome (1674761).

The spelling of 1262140 in words is "one million, two hundred sixty-two thousand, one hundred forty".