101142052 has 12 divisors (see below), whose sum is σ = 193089456. Its totient is φ = 45973640.

The previous prime is 101142049. The next prime is 101142077. The reversal of 101142052 is 250241101.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1149298 + ... + 1149385.

It is an arithmetic number, because the mean of its divisors is an integer number (16090788).

Almost surely, 2^101142052 is an apocalyptic number.

It is an amenable number.

101142052 is a deficient number, since it is larger than the sum of its proper divisors (91947404).

101142052 is a wasteful number, since it uses less digits than its factorization.

101142052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298698 (or 2298696 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 101142052 is about 10056.9404890354. The cubic root of 101142052 is about 465.9191777163.

Adding to 101142052 its reverse (250241101), we get a palindrome (351383153).

The spelling of 101142052 in words is "one hundred one million, one hundred forty-two thousand, fifty-two".