121190225025 has 24 divisors (see below), whose sum is σ = 200399182560. Its totient is φ = 64624675840.

The previous prime is 121190225017. The next prime is 121190225041. The reversal of 121190225025 is 520522091121.

It is not a de Polignac number, because 121190225025 - 2³ = 121190225017 is a prime.

It is a super-2 number, since 2×121190225025² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121190224983 and 121190225001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369121 + ... + 615329.

It is an arithmetic number, because the mean of its divisors is an integer number (8349965940).

Almost surely, 2^121190225025 is an apocalyptic number.

121190225025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121190225025 is a deficient number, since it is larger than the sum of its proper divisors (79208957535).

121190225025 is a wasteful number, since it uses less digits than its factorization.

121190225025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252785 (or 252780 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 121190225025 in words is "one hundred twenty-one billion, one hundred ninety million, two hundred twenty-five thousand, twenty-five".