121481206 has 32 divisors (see below), whose sum is σ = 227872512. Its totient is φ = 47187360.

The previous prime is 121481183. The next prime is 121481209. The reversal of 121481206 is 602184121.

It is a super-2 number, since 2×121481206² = 29515366822428872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121481209) 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 15 ways as a sum of consecutive naturals, for example, 60145 + ... + 62131.

It is an arithmetic number, because the mean of its divisors is an integer number (7121016).

Almost surely, 2^121481206 is an apocalyptic number.

121481206 is a deficient number, since it is larger than the sum of its proper divisors (106391306).

121481206 is a wasteful number, since it uses less digits than its factorization.

121481206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 121481206 is about 11021.8512964021. The cubic root of 121481206 is about 495.2635483956.

The spelling of 121481206 in words is "one hundred twenty-one million, four hundred eighty-one thousand, two hundred six".