1231252514 has 16 divisors (see below), whose sum is σ = 1968185088. Its totient is φ = 576329952.

The previous prime is 1231252483. The next prime is 1231252541. The reversal of 1231252514 is 4152521321.

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 7 ways as a sum of consecutive naturals, for example, 282587 + ... + 286910.

It is an arithmetic number, because the mean of its divisors is an integer number (123011568).

Almost surely, 2^1231252514 is an apocalyptic number.

1231252514 is a deficient number, since it is larger than the sum of its proper divisors (736932574).

1231252514 is a wasteful number, since it uses less digits than its factorization.

1231252514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569569.

The product of its digits is 2400, while the sum is 26.

The square root of 1231252514 is about 35089.2079420439. The cubic root of 1231252514 is about 1071.8048306469.

Adding to 1231252514 its reverse (4152521321), we get a palindrome (5383773835).

The spelling of 1231252514 in words is "one billion, two hundred thirty-one million, two hundred fifty-two thousand, five hundred fourteen".