1240131250 has 48 divisors (see below), whose sum is σ = 2426469696. Its totient is φ = 474430000.

The previous prime is 1240131247. The next prime is 1240131301. The reversal of 1240131250 is 521310421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139437 + ... + 148063.

It is an arithmetic number, because the mean of its divisors is an integer number (50551452).

Almost surely, 2^1240131250 is an apocalyptic number.

1240131250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240131250 is a deficient number, since it is larger than the sum of its proper divisors (1186338446).

1240131250 is an frugal number, since it uses more digits than its factorization.

1240131250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8677 (or 8657 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1240131250 is about 35215.4972987746. The cubic root of 1240131250 is about 1074.3749746895.

Adding to 1240131250 its reverse (521310421), we get a palindrome (1761441671).

The spelling of 1240131250 in words is "one billion, two hundred forty million, one hundred thirty-one thousand, two hundred fifty".