121122073 has 2 divisors, whose sum is σ = 121122074. Its totient is φ = 121122072.

The previous prime is 121122047. The next prime is 121122107. The reversal of 121122073 is 370221121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113039424 + 8082649 = 10632^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 121122073 - 2⁵ = 121122041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121122073.

It is not a weakly prime, because it can be changed into another prime (121122973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561036 + 60561037.

It is an arithmetic number, because the mean of its divisors is an integer number (60561037).

Almost surely, 2^121122073 is an apocalyptic number.

It is an amenable number.

121122073 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122073 is an equidigital number, since it uses as much as digits as its factorization.

121122073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 121122073 is about 11005.5473739383. The cubic root of 121122073 is about 494.7750200274.

Adding to 121122073 its reverse (370221121), we get a palindrome (491343194).

The spelling of 121122073 in words is "one hundred twenty-one million, one hundred twenty-two thousand, seventy-three".