121079203 has 4 divisors (see below), whose sum is σ = 138376240. Its totient is φ = 103782168.

The previous prime is 121079201. The next prime is 121079209. The reversal of 121079203 is 302970121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 121079203 - 2¹ = 121079201 is a prime.

It is a super-3 number, since 3×121079203³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121079201) 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, 8648508 + ... + 8648521.

It is an arithmetic number, because the mean of its divisors is an integer number (34594060).

Almost surely, 2^121079203 is an apocalyptic number.

121079203 is a deficient number, since it is larger than the sum of its proper divisors (17297037).

121079203 is an equidigital number, since it uses as much as digits as its factorization.

121079203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17297036.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 121079203 is about 11003.5995474208. The cubic root of 121079203 is about 494.7166395094.

The spelling of 121079203 in words is "one hundred twenty-one million, seventy-nine thousand, two hundred three".