100225134 has 16 divisors (see below), whose sum is σ = 222722640. Its totient is φ = 33408360.

The previous prime is 100225121. The next prime is 100225159. The reversal of 100225134 is 431522001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927957 + ... + 928064.

It is an arithmetic number, because the mean of its divisors is an integer number (13920165).

Almost surely, 2^100225134 is an apocalyptic number.

100225134 is an abundant number, since it is smaller than the sum of its proper divisors (122497506).

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

100225134 is a wasteful number, since it uses less digits than its factorization.

100225134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856032 (or 1856026 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100225134 is about 10011.2503714571. The cubic root of 100225134 is about 464.5069487741.

Adding to 100225134 its reverse (431522001), we get a palindrome (531747135).

The spelling of 100225134 in words is "one hundred million, two hundred twenty-five thousand, one hundred thirty-four".