1142287170 has 16 divisors (see below), whose sum is σ = 2741489280. Its totient is φ = 304609904.

The previous prime is 1142287169. The next prime is 1142287187. The reversal of 1142287170 is 717822411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19038090 + ... + 19038149.

It is an arithmetic number, because the mean of its divisors is an integer number (171343080).

Almost surely, 2^1142287170 is an apocalyptic number.

1142287170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142287170 is an abundant number, since it is smaller than the sum of its proper divisors (1599202110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142287170 is a wasteful number, since it uses less digits than its factorization.

1142287170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38076249.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 1142287170 is about 33797.7391255687. The cubic root of 1142287170 is about 1045.3420795029.

The spelling of 1142287170 in words is "one billion, one hundred forty-two million, two hundred eighty-seven thousand, one hundred seventy".