121752101634 has 32 divisors (see below), whose sum is σ = 244644986880. Its totient is φ = 40394130000.

The previous prime is 121752101623. The next prime is 121752101641. The reversal of 121752101634 is 436101257121.

It is a junction number, because it is equal to n+sod(n) for n = 121752101595 and 121752101604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2187847 + ... + 2242805.

It is an arithmetic number, because the mean of its divisors is an integer number (7645155840).

Almost surely, 2^121752101634 is an apocalyptic number.

121752101634 is an abundant number, since it is smaller than the sum of its proper divisors (122892885246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121752101634 is a wasteful number, since it uses less digits than its factorization.

121752101634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56686.

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 121752101634 its reverse (436101257121), we get a palindrome (557853358755).

The spelling of 121752101634 in words is "one hundred twenty-one billion, seven hundred fifty-two million, one hundred one thousand, six hundred thirty-four".