1142311015 has 8 divisors (see below), whose sum is σ = 1418041440. Its totient is φ = 882336672.

The previous prime is 1142311003. The next prime is 1142311019. The reversal of 1142311015 is 5101132411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142311015 - 2⁹ = 1142310503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142310983 and 1142311001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142311019) 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, 3938859 + ... + 3939148.

It is an arithmetic number, because the mean of its divisors is an integer number (177255180).

Almost surely, 2^1142311015 is an apocalyptic number.

1142311015 is a deficient number, since it is larger than the sum of its proper divisors (275730425).

1142311015 is an equidigital number, since it uses as much as digits as its factorization.

1142311015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7878041.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1142311015 is about 33798.0918840103. The cubic root of 1142311015 is about 1045.3493532162.

Adding to 1142311015 its reverse (5101132411), we get a palindrome (6243443426).

The spelling of 1142311015 in words is "one billion, one hundred forty-two million, three hundred eleven thousand, fifteen".