1312542502 has 8 divisors (see below), whose sum is σ = 1989111096. Its totient is φ = 649505472.

The previous prime is 1312542499. The next prime is 1312542527. The reversal of 1312542502 is 2052452131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3382648 + ... + 3383035.

It is an arithmetic number, because the mean of its divisors is an integer number (248638887).

Almost surely, 2^1312542502 is an apocalyptic number.

1312542502 is a deficient number, since it is larger than the sum of its proper divisors (676568594).

1312542502 is an equidigital number, since it uses as much as digits as its factorization.

1312542502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765782.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1312542502 is about 36229.0284440530. The cubic root of 1312542502 is about 1094.8916031506.

Adding to 1312542502 its reverse (2052452131), we get a palindrome (3364994633).

The spelling of 1312542502 in words is "one billion, three hundred twelve million, five hundred forty-two thousand, five hundred two".