1142518971 has 8 divisors (see below), whose sum is σ = 1661845824. Its totient is φ = 692435720.

The previous prime is 1142518961. The next prime is 1142518973. The reversal of 1142518971 is 1798152411.

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 1142518971 - 2⁵ = 1142518939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142518973) 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, 17310861 + ... + 17310926.

It is an arithmetic number, because the mean of its divisors is an integer number (207730728).

Almost surely, 2^1142518971 is an apocalyptic number.

1142518971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1142518971 is a deficient number, since it is larger than the sum of its proper divisors (519326853).

1142518971 is a wasteful number, since it uses less digits than its factorization.

1142518971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34621801.

The product of its digits is 20160, while the sum is 39.

The square root of 1142518971 is about 33801.1681898718. The cubic root of 1142518971 is about 1045.4127841257.

The spelling of 1142518971 in words is "one billion, one hundred forty-two million, five hundred eighteen thousand, nine hundred seventy-one".