100912064 has 84 divisors (see below), whose sum is σ = 224177352. Its totient is φ = 45027840.

The previous prime is 100912043. The next prime is 100912069. The reversal of 100912064 is 460219001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100912069) 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 11 ways as a sum of consecutive naturals, for example, 642674 + ... + 642830.

It is an arithmetic number, because the mean of its divisors is an integer number (2668778).

Almost surely, 2^100912064 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 100912064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112088676).

100912064 is an abundant number, since it is smaller than the sum of its proper divisors (123265288).

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

100912064 is a wasteful number, since it uses less digits than its factorization.

100912064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 100912064 is about 10045.4996889154. The cubic root of 100912064 is about 465.5657568216.

The spelling of 100912064 in words is "one hundred million, nine hundred twelve thousand, sixty-four".