1542068871 has 8 divisors (see below), whose sum is σ = 2349819264. Its totient is φ = 881182200.

The previous prime is 1542068839. The next prime is 1542068893. The reversal of 1542068871 is 1788602451.

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

It is not a de Polignac number, because 1542068871 - 2⁵ = 1542068839 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542068821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36715905 + ... + 36715946.

It is an arithmetic number, because the mean of its divisors is an integer number (293727408).

Almost surely, 2^1542068871 is an apocalyptic number.

1542068871 is a deficient number, since it is larger than the sum of its proper divisors (807750393).

1542068871 is an equidigital number, since it uses as much as digits as its factorization.

1542068871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73431861.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 1542068871 is about 39269.1847508960. The cubic root of 1542068871 is about 1155.3172472356.

The spelling of 1542068871 in words is "one billion, five hundred forty-two million, sixty-eight thousand, eight hundred seventy-one".