225120134 has 16 divisors (see below), whose sum is σ = 348351216. Its totient is φ = 109058400.

The previous prime is 225120131. The next prime is 225120163. The reversal of 225120134 is 431021522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225120131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5597 + ... + 21944.

It is an arithmetic number, because the mean of its divisors is an integer number (21771951).

Almost surely, 2^225120134 is an apocalyptic number.

225120134 is a deficient number, since it is larger than the sum of its proper divisors (123231082).

225120134 is a wasteful number, since it uses less digits than its factorization.

225120134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27671.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 225120134 is about 15004.0039322842. The cubic root of 225120134 is about 608.3284290758.

Adding to 225120134 its reverse (431021522), we get a palindrome (656141656).

The spelling of 225120134 in words is "two hundred twenty-five million, one hundred twenty thousand, one hundred thirty-four".