121420084 has 6 divisors (see below), whose sum is σ = 212485154. Its totient is φ = 60710040.

The previous prime is 121420043. The next prime is 121420109. The reversal of 121420084 is 480024121.

It can be written as a sum of positive squares in only one way, i.e., 113422500 + 7997584 = 10650^2 + 2828^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15177507 + ... + 15177514.

Almost surely, 2^121420084 is an apocalyptic number.

It is an amenable number.

121420084 is a deficient number, since it is larger than the sum of its proper divisors (91065070).

121420084 is a wasteful number, since it uses less digits than its factorization.

121420084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30355025 (or 30355023 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 121420084 is about 11019.0781828609. The cubic root of 121420084 is about 495.1804722339.

The spelling of 121420084 in words is "one hundred twenty-one million, four hundred twenty thousand, eighty-four".