1250140 has 12 divisors (see below), whose sum is σ = 2625336. Its totient is φ = 500048.

The previous prime is 1250107. The next prime is 1250141. The reversal of 1250140 is 410521.

It is a self number, because there is not a number n which added to its sum of digits gives 1250140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250141) 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, 31234 + ... + 31273.

It is an arithmetic number, because the mean of its divisors is an integer number (218778).

2^1250140 is an apocalyptic number.

1250140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250140 is an abundant number, since it is smaller than the sum of its proper divisors (1375196).

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

1250140 is a wasteful number, since it uses less digits than its factorization.

1250140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62516 (or 62514 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1250140 is about 1118.0965969003. The cubic root of 1250140 is about 107.7257559629.

Adding to 1250140 its reverse (410521), we get a palindrome (1660661).

The spelling of 1250140 in words is "one million, two hundred fifty thousand, one hundred forty".