1242112315 has 8 divisors (see below), whose sum is σ = 1490893488. Its totient is φ = 993450720.

The previous prime is 1242112283. The next prime is 1242112321. The reversal of 1242112315 is 5132112421.

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

It is not a de Polignac number, because 1242112315 - 2⁵ = 1242112283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5181 + ... + 50110.

It is an arithmetic number, because the mean of its divisors is an integer number (186361686).

Almost surely, 2^1242112315 is an apocalyptic number.

1242112315 is a deficient number, since it is larger than the sum of its proper divisors (248781173).

1242112315 is an equidigital number, since it uses as much as digits as its factorization.

1242112315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59789.

The product of its digits is 480, while the sum is 22.

The square root of 1242112315 is about 35243.6138186764. The cubic root of 1242112315 is about 1074.9467621012.

Adding to 1242112315 its reverse (5132112421), we get a palindrome (6374224736).

The spelling of 1242112315 in words is "one billion, two hundred forty-two million, one hundred twelve thousand, three hundred fifteen".