121072845514 has 4 divisors (see below), whose sum is σ = 181609268274. Its totient is φ = 60536422756.

The previous prime is 121072845511. The next prime is 121072845527. The reversal of 121072845514 is 415548270121.

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

It can be written as a sum of positive squares in only one way, i.e., 117705944889 + 3366900625 = 343083^2 + 58025^2 .

It is not an unprimeable number, because it can be changed into a prime (121072845511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30268211377 + ... + 30268211380.

Almost surely, 2^121072845514 is an apocalyptic number.

121072845514 is a deficient number, since it is larger than the sum of its proper divisors (60536422760).

121072845514 is an equidigital number, since it uses as much as digits as its factorization.

121072845514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60536422759.

The product of its (nonzero) digits is 89600, while the sum is 40.

The spelling of 121072845514 in words is "one hundred twenty-one billion, seventy-two million, eight hundred forty-five thousand, five hundred fourteen".