121850025 has 72 divisors (see below), whose sum is σ = 229568640. Its totient is φ = 56918400.

The previous prime is 121850017. The next prime is 121850039. The reversal of 121850025 is 520058121.

It is not a de Polignac number, because 121850025 - 2³ = 121850017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121849977 and 121850004.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 262944 + ... + 263406.

Almost surely, 2^121850025 is an apocalyptic number.

121850025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121850025 is a deficient number, since it is larger than the sum of its proper divisors (107718615).

121850025 is a wasteful number, since it uses less digits than its factorization.

121850025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 121850025 is about 11038.5698801973. The cubic root of 121850025 is about 495.7642515311.

The spelling of 121850025 in words is "one hundred twenty-one million, eight hundred fifty thousand, twenty-five".