1442187071 has 8 divisors (see below), whose sum is σ = 1578586464. Its totient is φ = 1309425120.

The previous prime is 1442187059. The next prime is 1442187079. The reversal of 1442187071 is 1707812441.

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 1442187071 - 2⁶ = 1442187007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442187079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908531 + ... + 910116.

It is an arithmetic number, because the mean of its divisors is an integer number (197323308).

Almost surely, 2^1442187071 is an apocalyptic number.

1442187071 is a deficient number, since it is larger than the sum of its proper divisors (136399393).

1442187071 is a wasteful number, since it uses less digits than its factorization.

1442187071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818721.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 1442187071 is about 37976.1381791251. The cubic root of 1442187071 is about 1129.8146434166.

The spelling of 1442187071 in words is "one billion, four hundred forty-two million, one hundred eighty-seven thousand, seventy-one".