101800874 has 32 divisors (see below), whose sum is σ = 177555456. Its totient is φ = 42876720.

The previous prime is 101800873. The next prime is 101800883. The reversal of 101800874 is 478008101.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (101800873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327179 + ... + 327489.

It is an arithmetic number, because the mean of its divisors is an integer number (5548608).

Almost surely, 2^101800874 is an apocalyptic number.

101800874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

101800874 is a deficient number, since it is larger than the sum of its proper divisors (75754582).

101800874 is a wasteful number, since it uses less digits than its factorization.

101800874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 101800874 is about 10089.6419163417. The cubic root of 101800874 is about 466.9286283181.

Adding to 101800874 its reverse (478008101), we get a palindrome (579808975).

The spelling of 101800874 in words is "one hundred one million, eight hundred thousand, eight hundred seventy-four".