121126132 has 12 divisors (see below), whose sum is σ = 212288580. Its totient is φ = 60472256.

The previous prime is 121126111. The next prime is 121126163. The reversal of 121126132 is 231621121.

It can be written as a sum of positive squares in 2 ways, for example, as 111429136 + 9696996 = 10556^2 + 3114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19657 + ... + 25072.

It is an arithmetic number, because the mean of its divisors is an integer number (17690715).

Almost surely, 2^121126132 is an apocalyptic number.

It is an amenable number.

121126132 is a deficient number, since it is larger than the sum of its proper divisors (91162448).

121126132 is a wasteful number, since it uses less digits than its factorization.

121126132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45410 (or 45408 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 121126132 is about 11005.7317793957. The cubic root of 121126132 is about 494.7805468741.

Adding to 121126132 its reverse (231621121), we get a palindrome (352747253).

It can be divided in two parts, 121 and 126132, that added together give a triangular number (126253 = T₅₀₂).

The spelling of 121126132 in words is "one hundred twenty-one million, one hundred twenty-six thousand, one hundred thirty-two".