1315120342 has 8 divisors (see below), whose sum is σ = 2018556936. Its totient is φ = 642268032.

The previous prime is 1315120271. The next prime is 1315120343. The reversal of 1315120342 is 2430215131.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315120343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7645963 + ... + 7646134.

It is an arithmetic number, because the mean of its divisors is an integer number (252319617).

Almost surely, 2^1315120342 is an apocalyptic number.

1315120342 is a deficient number, since it is larger than the sum of its proper divisors (703436594).

1315120342 is a wasteful number, since it uses less digits than its factorization.

1315120342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15292142.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1315120342 is about 36264.5879888356. The cubic root of 1315120342 is about 1095.6079252525.

Adding to 1315120342 its reverse (2430215131), we get a palindrome (3745335473).

The spelling of 1315120342 in words is "one billion, three hundred fifteen million, one hundred twenty thousand, three hundred forty-two".