121473055 has 8 divisors (see below), whose sum is σ = 159019344. Its totient is φ = 88344000.

The previous prime is 121473049. The next prime is 121473089. The reversal of 121473055 is 550374121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121473055 - 2³ = 121473047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104246 + ... + 1104355.

It is an arithmetic number, because the mean of its divisors is an integer number (19877418).

Almost surely, 2^121473055 is an apocalyptic number.

121473055 is a deficient number, since it is larger than the sum of its proper divisors (37546289).

121473055 is a wasteful number, since it uses less digits than its factorization.

121473055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208617.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 121473055 is about 11021.4815247316. The cubic root of 121473055 is about 495.2524712817.

The spelling of 121473055 in words is "one hundred twenty-one million, four hundred seventy-three thousand, fifty-five".