121755717314 has 16 divisors (see below), whose sum is σ = 227699004096. Its totient is φ = 47437292400.

The previous prime is 121755717277. The next prime is 121755717337. The reversal of 121755717314 is 413717557121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395310617 + ... + 395310924.

It is an arithmetic number, because the mean of its divisors is an integer number (14231187756).

Almost surely, 2^121755717314 is an apocalyptic number.

121755717314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121755717314 is a deficient number, since it is larger than the sum of its proper divisors (105943286782).

121755717314 is a wasteful number, since it uses less digits than its factorization.

121755717314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790621561.

The product of its digits is 205800, while the sum is 44.

The spelling of 121755717314 in words is "one hundred twenty-one billion, seven hundred fifty-five million, seven hundred seventeen thousand, three hundred fourteen".