1142125315 has 8 divisors (see below), whose sum is σ = 1403978688. Its totient is φ = 891414720.

The previous prime is 1142125307. The next prime is 1142125319. The reversal of 1142125315 is 5135212411.

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

It is not a de Polignac number, because 1142125315 - 2³ = 1142125307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142125315.

It is not an unprimeable number, because it can be changed into a prime (1142125319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2785467 + ... + 2785876.

It is an arithmetic number, because the mean of its divisors is an integer number (175497336).

Almost surely, 2^1142125315 is an apocalyptic number.

1142125315 is a deficient number, since it is larger than the sum of its proper divisors (261853373).

1142125315 is an equidigital number, since it uses as much as digits as its factorization.

1142125315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571389.

The product of its digits is 1200, while the sum is 25.

The square root of 1142125315 is about 33795.3445758436. The cubic root of 1142125315 is about 1045.2927043432.

Adding to 1142125315 its reverse (5135212411), we get a palindrome (6277337726).

The spelling of 1142125315 in words is "one billion, one hundred forty-two million, one hundred twenty-five thousand, three hundred fifteen".