101969152 has 36 divisors (see below), whose sum is σ = 206035200. Its totient is φ = 50359808.

The previous prime is 101969113. The next prime is 101969159. The reversal of 101969152 is 251969101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101969159) 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 3 ways as a sum of consecutive naturals, for example, 18849 + ... + 23647.

It is an arithmetic number, because the mean of its divisors is an integer number (5723200).

Almost surely, 2^101969152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101969152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103017600).

101969152 is an abundant number, since it is smaller than the sum of its proper divisors (104066048).

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

101969152 is an frugal number, since it uses more digits than its factorization.

101969152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4898 (or 4884 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 101969152 is about 10097.9776193058. The cubic root of 101969152 is about 467.1857661267.

The spelling of 101969152 in words is "one hundred one million, nine hundred sixty-nine thousand, one hundred fifty-two".