121765141401 has 8 divisors (see below), whose sum is σ = 163843004160. Its totient is φ = 80432019792.

The previous prime is 121765141387. The next prime is 121765141411. The reversal of 121765141401 is 104141567121.

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

It is not a de Polignac number, because 121765141401 - 2¹³ = 121765133209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121765141411) 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, 186184905 + ... + 186185558.

It is an arithmetic number, because the mean of its divisors is an integer number (20480375520).

Almost surely, 2^121765141401 is an apocalyptic number.

It is an amenable number.

121765141401 is a deficient number, since it is larger than the sum of its proper divisors (42077862759).

121765141401 is a wasteful number, since it uses less digits than its factorization.

121765141401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372370575.

The product of its (nonzero) digits is 6720, while the sum is 33.

The spelling of 121765141401 in words is "one hundred twenty-one billion, seven hundred sixty-five million, one hundred forty-one thousand, four hundred one".