121059203 has 4 divisors (see below), whose sum is σ = 127430760. Its totient is φ = 114687648.

The previous prime is 121059199. The next prime is 121059217. The reversal of 121059203 is 302950121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302950121 = 7723 ⋅39227.

It is not a de Polignac number, because 121059203 - 2² = 121059199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121059503) 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, 3185750 + ... + 3185787.

It is an arithmetic number, because the mean of its divisors is an integer number (31857690).

Almost surely, 2^121059203 is an apocalyptic number.

121059203 is a deficient number, since it is larger than the sum of its proper divisors (6371557).

121059203 is an equidigital number, since it uses as much as digits as its factorization.

121059203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371556.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 121059203 is about 11002.6907163657. The cubic root of 121059203 is about 494.6893987244.

The spelling of 121059203 in words is "one hundred twenty-one million, fifty-nine thousand, two hundred three".