121294751750 has 64 divisors (see below), whose sum is σ = 232193183040. Its totient is φ = 47431008000.

The previous prime is 121294751723. The next prime is 121294751771. The reversal of 121294751750 is 57157492121.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2647034 + ... + 2692466.

It is an arithmetic number, because the mean of its divisors is an integer number (3628018485).

Almost surely, 2^121294751750 is an apocalyptic number.

121294751750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121294751750 is a deficient number, since it is larger than the sum of its proper divisors (110898431290).

121294751750 is a wasteful number, since it uses less digits than its factorization.

121294751750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45690 (or 45680 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 121294751750 in words is "one hundred twenty-one billion, two hundred ninety-four million, seven hundred fifty-one thousand, seven hundred fifty".