121626141 has 32 divisors (see below), whose sum is σ = 205003008. Its totient is φ = 62415360.

The previous prime is 121626137. The next prime is 121626157. The reversal of 121626141 is 141626121.

It is a happy number.

It is not a de Polignac number, because 121626141 - 2² = 121626137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121626181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4081 + ... + 16121.

It is an arithmetic number, because the mean of its divisors is an integer number (6406344).

Almost surely, 2^121626141 is an apocalyptic number.

It is an amenable number.

121626141 is a deficient number, since it is larger than the sum of its proper divisors (83376867).

121626141 is a wasteful number, since it uses less digits than its factorization.

121626141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12101.

The product of its digits is 576, while the sum is 24.

The square root of 121626141 is about 11028.4242301428. The cubic root of 121626141 is about 495.4604306876.

The spelling of 121626141 in words is "one hundred twenty-one million, six hundred twenty-six thousand, one hundred forty-one".