121017711376 has 15 divisors (see below), whose sum is σ = 234474511861. Its totient is φ = 60508159936.

The previous prime is 121017711359. The next prime is 121017711379. The reversal of 121017711376 is 673117710121.

The square root of 121017711376 is 347876.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 136328976 + 120881382400 = 11676^2 + 347680^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121017711379) 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 2 ways as a sum of consecutive naturals, for example, 1348020 + ... + 1434988.

Almost surely, 2^121017711376 is an apocalyptic number.

121017711376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

121017711376 is the 347876-th square number.

It is an amenable number.

121017711376 is a deficient number, since it is larger than the sum of its proper divisors (113456800485).

121017711376 is an frugal number, since it uses more digits than its factorization.

121017711376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173946 (or 86971 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 37.

The spelling of 121017711376 in words is "one hundred twenty-one billion, seventeen million, seven hundred eleven thousand, three hundred seventy-six".