121127755270 has 16 divisors (see below), whose sum is σ = 218087449488. Its totient is φ = 48438326560.

The previous prime is 121127755267. The next prime is 121127755271. The reversal of 121127755270 is 72557721121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121127755271) 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 7 ways as a sum of consecutive naturals, for example, 1557076 + ... + 1633015.

It is an arithmetic number, because the mean of its divisors is an integer number (13630465593).

Almost surely, 2^121127755270 is an apocalyptic number.

121127755270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121127755270 is a deficient number, since it is larger than the sum of its proper divisors (96959694218).

121127755270 is a wasteful number, since it uses less digits than its factorization.

121127755270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193895.

The product of its (nonzero) digits is 68600, while the sum is 40.

The spelling of 121127755270 in words is "one hundred twenty-one billion, one hundred twenty-seven million, seven hundred fifty-five thousand, two hundred seventy".