121032073 has 2 divisors, whose sum is σ = 121032074. Its totient is φ = 121032072.

The previous prime is 121032047. The next prime is 121032077. The reversal of 121032073 is 370230121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90859024 + 30173049 = 9532^2 + 5493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121032073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121032073.

It is not a weakly prime, because it can be changed into another prime (121032077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60516036 + 60516037.

It is an arithmetic number, because the mean of its divisors is an integer number (60516037).

Almost surely, 2^121032073 is an apocalyptic number.

It is an amenable number.

121032073 is a deficient number, since it is larger than the sum of its proper divisors (1).

121032073 is an equidigital number, since it uses as much as digits as its factorization.

121032073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 121032073 is about 11001.4577670416. The cubic root of 121032073 is about 494.6524418037.

Adding to 121032073 its reverse (370230121), we get a palindrome (491262194).

The spelling of 121032073 in words is "one hundred twenty-one million, thirty-two thousand, seventy-three".