121751552434 has 8 divisors (see below), whose sum is σ = 190567647360. Its totient is φ = 58229003316.

The previous prime is 121751552311. The next prime is 121751552519. The reversal of 121751552434 is 434255157121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323386394 + ... + 1323386485.

It is an arithmetic number, because the mean of its divisors is an integer number (23820955920).

Almost surely, 2^121751552434 is an apocalyptic number.

121751552434 is a deficient number, since it is larger than the sum of its proper divisors (68816094926).

121751552434 is a wasteful number, since it uses less digits than its factorization.

121751552434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646772904.

The product of its digits is 168000, while the sum is 40.

The spelling of 121751552434 in words is "one hundred twenty-one billion, seven hundred fifty-one million, five hundred fifty-two thousand, four hundred thirty-four".