1142939722187 has 8 divisors (see below), whose sum is σ = 1145123759472. Its totient is φ = 1140756624000.

The previous prime is 1142939722159. The next prime is 1142939722193. The reversal of 1142939722187 is 7812279392411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142939722187 is a prime.

It is a super-2 number, since 2×1142939722187² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142939722387) 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, 2226263 + ... + 2691119.

It is an arithmetic number, because the mean of its divisors is an integer number (143140469934).

Almost surely, 2^{1142939722187} is an apocalyptic number.

1142939722187 is a deficient number, since it is larger than the sum of its proper divisors (2184037285).

1142939722187 is an equidigital number, since it uses as much as digits as its factorization.

1142939722187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469549.

The product of its digits is 3048192, while the sum is 56.

The spelling of 1142939722187 in words is "one trillion, one hundred forty-two billion, nine hundred thirty-nine million, seven hundred twenty-two thousand, one hundred eighty-seven".