1254313240 has 16 divisors (see below), whose sum is σ = 2822204880. Its totient is φ = 501725280.

The previous prime is 1254313237. The next prime is 1254313259. The reversal of 1254313240 is 423134521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15678876 + ... + 15678955.

It is an arithmetic number, because the mean of its divisors is an integer number (176387805).

Almost surely, 2^1254313240 is an apocalyptic number.

1254313240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254313240 is an abundant number, since it is smaller than the sum of its proper divisors (1567891640).

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

1254313240 is a wasteful number, since it uses less digits than its factorization.

1254313240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31357842 (or 31357838 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1254313240 is about 35416.2849548057. The cubic root of 1254313240 is about 1078.4549351504.

Adding to 1254313240 its reverse (423134521), we get a palindrome (1677447761).

The spelling of 1254313240 in words is "one billion, two hundred fifty-four million, three hundred thirteen thousand, two hundred forty".