121570772603 has 16 divisors (see below), whose sum is σ = 143758049280. Its totient is φ = 100589954976.

The previous prime is 121570772579. The next prime is 121570772621. The reversal of 121570772603 is 306277075121.

It is not a de Polignac number, because 121570772603 - 2²² = 121566578299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121570772303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990950 + ... + 1106852.

It is an arithmetic number, because the mean of its divisors is an integer number (8984878080).

Almost surely, 2^121570772603 is an apocalyptic number.

121570772603 is a deficient number, since it is larger than the sum of its proper divisors (22187276677).

121570772603 is a wasteful number, since it uses less digits than its factorization.

121570772603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121106.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 121570772603 in words is "one hundred twenty-one billion, five hundred seventy million, seven hundred seventy-two thousand, six hundred three".