100225135 has 12 divisors (see below), whose sum is σ = 122296824. Its totient is φ = 78851040.

The previous prime is 100225121. The next prime is 100225159. The reversal of 100225135 is 531522001.

It is not a de Polignac number, because 100225135 - 2¹⁷ = 100094063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15912 + ... + 21298.

It is an arithmetic number, because the mean of its divisors is an integer number (10191402).

Almost surely, 2^100225135 is an apocalyptic number.

100225135 is a deficient number, since it is larger than the sum of its proper divisors (22071689).

100225135 is an frugal number, since it uses more digits than its factorization.

100225135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514 (or 5453 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 100225135 is about 10011.2504214009. The cubic root of 100225135 is about 464.5069503190.

Adding to 100225135 its reverse (531522001), we get a palindrome (631747136).

The spelling of 100225135 in words is "one hundred million, two hundred twenty-five thousand, one hundred thirty-five".