121203079 has 2 divisors, whose sum is σ = 121203080. Its totient is φ = 121203078.

The previous prime is 121203041. The next prime is 121203097. The reversal of 121203079 is 970302121.

Together with next prime (121203097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121203079 - 2⁷ = 121202951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121206079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601539 + 60601540.

It is an arithmetic number, because the mean of its divisors is an integer number (60601540).

Almost surely, 2^121203079 is an apocalyptic number.

121203079 is a deficient number, since it is larger than the sum of its proper divisors (1).

121203079 is an equidigital number, since it uses as much as digits as its factorization.

121203079 is an odious number, because the sum of its binary digits is odd.

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

The square root of 121203079 is about 11009.2269937539. The cubic root of 121203079 is about 494.8852966889.

The spelling of 121203079 in words is "one hundred twenty-one million, two hundred three thousand, seventy-nine".