2125120134 has 16 divisors (see below), whose sum is σ = 4340671488. Its totient is φ = 693301512.

The previous prime is 2125120117. The next prime is 2125120147. The reversal of 2125120134 is 4310215212.

It is a super-2 number, since 2×2125120134² = 9032271167864355912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2125120134.

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, 3767662 + ... + 3768225.

It is an arithmetic number, because the mean of its divisors is an integer number (271291968).

Almost surely, 2^2125120134 is an apocalyptic number.

2125120134 is an abundant number, since it is smaller than the sum of its proper divisors (2215551354).

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

2125120134 is a wasteful number, since it uses less digits than its factorization.

2125120134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535939.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2125120134 is about 46099.0253042296. The cubic root of 2125120134 is about 1285.6650221936.

Adding to 2125120134 its reverse (4310215212), we get a palindrome (6435335346).

The spelling of 2125120134 in words is "two billion, one hundred twenty-five million, one hundred twenty thousand, one hundred thirty-four".