121847055 has 32 divisors (see below), whose sum is σ = 213200640. Its totient is φ = 58932480.

The previous prime is 121847029. The next prime is 121847069. The reversal of 121847055 is 550748121.

It is not a de Polignac number, because 121847055 - 2⁵ = 121847023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101539 + ... + 102731.

It is an arithmetic number, because the mean of its divisors is an integer number (6662520).

Almost surely, 2^121847055 is an apocalyptic number.

121847055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121847055 is a deficient number, since it is larger than the sum of its proper divisors (91353585).

121847055 is a wasteful number, since it uses less digits than its factorization.

121847055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 121847055 is about 11038.4353510812. The cubic root of 121847055 is about 495.7602235418.

The spelling of 121847055 in words is "one hundred twenty-one million, eight hundred forty-seven thousand, fifty-five".