101142866 has 16 divisors (see below), whose sum is σ = 165996000. Its totient is φ = 45838080.

The previous prime is 101142857. The next prime is 101142869. The reversal of 101142866 is 668241101.

It is not an unprimeable number, because it can be changed into a prime (101142869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010 + ... + 14258.

It is an arithmetic number, because the mean of its divisors is an integer number (10374750).

Almost surely, 2^101142866 is an apocalyptic number.

101142866 is a deficient number, since it is larger than the sum of its proper divisors (64853134).

101142866 is a wasteful number, since it uses less digits than its factorization.

101142866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13609.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 101142866 is about 10056.9809585183. The cubic root of 101142866 is about 465.9204276322.

Adding to 101142866 its reverse (668241101), we get a palindrome (769383967).

The spelling of 101142866 in words is "one hundred one million, one hundred forty-two thousand, eight hundred sixty-six".