121260069755 has 16 divisors (see below), whose sum is σ = 158747507424. Its totient is φ = 88185223680.

The previous prime is 121260069737. The next prime is 121260069761. The reversal of 121260069755 is 557960062121.

It is a happy number.

It is not a de Polignac number, because 121260069755 - 2⁶ = 121260069691 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1896467 + ... + 1959363.

It is an arithmetic number, because the mean of its divisors is an integer number (9921719214).

Almost surely, 2^121260069755 is an apocalyptic number.

121260069755 is a deficient number, since it is larger than the sum of its proper divisors (37487437669).

121260069755 is a wasteful number, since it uses less digits than its factorization.

121260069755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97966.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 121260069755 in words is "one hundred twenty-one billion, two hundred sixty million, sixty-nine thousand, seven hundred fifty-five".