100885203 has 12 divisors (see below), whose sum is σ = 149536920. Its totient is φ = 67222008.

The previous prime is 100885189. The next prime is 100885207. The reversal of 100885203 is 302588001.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 100885203 - 2⁹ = 100884691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (100885207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51225 + ... + 53157.

It is an arithmetic number, because the mean of its divisors is an integer number (12461410).

Almost surely, 2^100885203 is an apocalyptic number.

100885203 is a deficient number, since it is larger than the sum of its proper divisors (48651717).

100885203 is an frugal number, since it uses more digits than its factorization.

100885203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 100885203 is about 10044.1626330919. The cubic root of 100885203 is about 465.5244447093.

Multiplying 100885203 by its sum of digits (27), we get a square (2723900481 = 52191²).

100885203 divided by its sum of digits (27) gives a square (3736489 = 1933²).

The spelling of 100885203 in words is "one hundred million, eight hundred eighty-five thousand, two hundred three".