121354417763 has 4 divisors (see below), whose sum is σ = 121875252408. Its totient is φ = 120833583120.

The previous prime is 121354417753. The next prime is 121354417823. The reversal of 121354417763 is 367714453121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121354417763 - 2²⁶ = 121287308899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121354417753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260416973 + ... + 260417438.

It is an arithmetic number, because the mean of its divisors is an integer number (30468813102).

Almost surely, 2^121354417763 is an apocalyptic number.

121354417763 is a deficient number, since it is larger than the sum of its proper divisors (520834645).

121354417763 is an equidigital number, since it uses as much as digits as its factorization.

121354417763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520834644.

The product of its digits is 423360, while the sum is 44.

The spelling of 121354417763 in words is "one hundred twenty-one billion, three hundred fifty-four million, four hundred seventeen thousand, seven hundred sixty-three".