1312432042 has 8 divisors (see below), whose sum is σ = 2010534336. Its totient is φ = 642253932.

The previous prime is 1312432021. The next prime is 1312432157. The reversal of 1312432042 is 2402342131.

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

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 3 ways as a sum of consecutive naturals, for example, 6980928 + ... + 6981115.

It is an arithmetic number, because the mean of its divisors is an integer number (251316792).

Almost surely, 2^1312432042 is an apocalyptic number.

1312432042 is a deficient number, since it is larger than the sum of its proper divisors (698102294).

1312432042 is a wasteful number, since it uses less digits than its factorization.

1312432042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13962092.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1312432042 is about 36227.5039438270. The cubic root of 1312432042 is about 1094.8608879244.

Adding to 1312432042 its reverse (2402342131), we get a palindrome (3714774173).

The spelling of 1312432042 in words is "one billion, three hundred twelve million, four hundred thirty-two thousand, forty-two".