1254140 has 24 divisors (see below), whose sum is σ = 2672880. Its totient is φ = 494208.

The previous prime is 1254137. The next prime is 1254151. The reversal of 1254140 is 414521.

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 7 ways as a sum of consecutive naturals, for example, 1031 + ... + 1889.

It is an arithmetic number, because the mean of its divisors is an integer number (111370).

2^1254140 is an apocalyptic number.

1254140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254140 is an abundant number, since it is smaller than the sum of its proper divisors (1418740).

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

1254140 is a wasteful number, since it uses less digits than its factorization.

1254140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1254140 is about 1119.8839225563. The cubic root of 1254140 is about 107.8405282446.

Adding to 1254140 its reverse (414521), we get a palindrome (1668661).

The spelling of 1254140 in words is "one million, two hundred fifty-four thousand, one hundred forty".