121754013067 has 4 divisors (see below), whose sum is σ = 123009209176. Its totient is φ = 120498816960.

The previous prime is 121754013019. The next prime is 121754013103. The reversal of 121754013067 is 760310457121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760310457121 = 20477 ⋅37129973.

It is a cyclic number.

It is not a de Polignac number, because 121754013067 - 2²³ = 121745624459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121754013767) 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 3 ways as a sum of consecutive naturals, for example, 627597909 + ... + 627598102.

It is an arithmetic number, because the mean of its divisors is an integer number (30752302294).

Almost surely, 2^121754013067 is an apocalyptic number.

121754013067 is a deficient number, since it is larger than the sum of its proper divisors (1255196109).

121754013067 is an equidigital number, since it uses as much as digits as its factorization.

121754013067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255196108.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 121754013067 in words is "one hundred twenty-one billion, seven hundred fifty-four million, thirteen thousand, sixty-seven".