121025201 has 4 divisors (see below), whose sum is σ = 132027504. Its totient is φ = 110022900.

The previous prime is 121025197. The next prime is 121025213. The reversal of 121025201 is 102520121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121025201 - 2² = 121025197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121025221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5501135 + ... + 5501156.

It is an arithmetic number, because the mean of its divisors is an integer number (33006876).

Almost surely, 2^121025201 is an apocalyptic number.

121025201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121025201 is a deficient number, since it is larger than the sum of its proper divisors (11002303).

121025201 is a wasteful number, since it uses less digits than its factorization.

121025201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002302.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 121025201 is about 11001.1454403621. The cubic root of 121025201 is about 494.6430797786.

Adding to 121025201 its reverse (102520121), we get a palindrome (223545322).

The spelling of 121025201 in words is "one hundred twenty-one million, twenty-five thousand, two hundred one".