121203201 has 16 divisors (see below), whose sum is σ = 187449344. Its totient is φ = 68224464.

The previous prime is 121203193. The next prime is 121203347. The reversal of 121203201 is 102302121.

It is not a de Polignac number, because 121203201 - 2³ = 121203193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121203101) 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, 41665 + ... + 44478.

It is an arithmetic number, because the mean of its divisors is an integer number (11715584).

Almost surely, 2^121203201 is an apocalyptic number.

It is an amenable number.

121203201 is a deficient number, since it is larger than the sum of its proper divisors (66246143).

121203201 is an equidigital number, since it uses as much as digits as its factorization.

121203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86220.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121203201 is about 11009.2325345593. The cubic root of 121203201 is about 494.8854627352.

Adding to 121203201 its reverse (102302121), we get a palindrome (223505322).

The spelling of 121203201 in words is "one hundred twenty-one million, two hundred three thousand, two hundred one".