121064605291425 has 96 divisors (see below), whose sum is σ = 204855491980800. Its totient is φ = 63059175336960.

The previous prime is 121064605291423. The next prime is 121064605291471. The reversal of 121064605291425 is 524192506460121.

It is not a de Polignac number, because 121064605291425 - 2¹ = 121064605291423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121064605291423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3240728847 + ... + 3240766203.

It is an arithmetic number, because the mean of its divisors is an integer number (2133911374800).

Almost surely, 2^{121064605291425} is an apocalyptic number.

121064605291425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121064605291425 is a deficient number, since it is larger than the sum of its proper divisors (83790886689375).

121064605291425 is a wasteful number, since it uses less digits than its factorization.

121064605291425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39355 (or 39350 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 121064605291425 in words is "one hundred twenty-one trillion, sixty-four billion, six hundred five million, two hundred ninety-one thousand, four hundred twenty-five".