126121134 has 32 divisors (see below), whose sum is σ = 256794624. Its totient is φ = 41286560.

The previous prime is 126121133. The next prime is 126121139. The reversal of 126121134 is 431121621.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126121134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126121133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162772 + ... + 163544.

It is an arithmetic number, because the mean of its divisors is an integer number (8024832).

Almost surely, 2^126121134 is an apocalyptic number.

126121134 is an abundant number, since it is smaller than the sum of its proper divisors (130673490).

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

126121134 is a wasteful number, since it uses less digits than its factorization.

126121134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its digits is 288, while the sum is 21.

The square root of 126121134 is about 11230.3666013181. The cubic root of 126121134 is about 501.4903983447.

Adding to 126121134 its reverse (431121621), we get a palindrome (557242755).

The spelling of 126121134 in words is "one hundred twenty-six million, one hundred twenty-one thousand, one hundred thirty-four".