101794820 has 12 divisors (see below), whose sum is σ = 213769164. Its totient is φ = 40717920.

The previous prime is 101794811. The next prime is 101794859. The reversal of 101794820 is 28497101.

It can be written as a sum of positive squares in 2 ways, for example, as 15936064 + 85858756 = 3992^2 + 9266^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2544851 + ... + 2544890.

It is an arithmetic number, because the mean of its divisors is an integer number (17814097).

Almost surely, 2^101794820 is an apocalyptic number.

101794820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101794820 is an abundant number, since it is smaller than the sum of its proper divisors (111974344).

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

101794820 is a wasteful number, since it uses less digits than its factorization.

101794820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089750 (or 5089748 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 101794820 is about 10089.3419012342. The cubic root of 101794820 is about 466.9193722025.

The spelling of 101794820 in words is "one hundred one million, seven hundred ninety-four thousand, eight hundred twenty".