121527081734 has 4 divisors (see below), whose sum is σ = 182290622604. Its totient is φ = 60763540866.

The previous prime is 121527081727. The next prime is 121527081737. The reversal of 121527081734 is 437180725121.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 121527081691 and 121527081700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121527081737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30381770432 + ... + 30381770435.

It is an arithmetic number, because the mean of its divisors is an integer number (45572655651).

Almost surely, 2^121527081734 is an apocalyptic number.

121527081734 is a deficient number, since it is larger than the sum of its proper divisors (60763540870).

121527081734 is an equidigital number, since it uses as much as digits as its factorization.

121527081734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60763540869.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 121527081734 in words is "one hundred twenty-one billion, five hundred twenty-seven million, eighty-one thousand, seven hundred thirty-four".