121625773 has 2 divisors, whose sum is σ = 121625774. Its totient is φ = 121625772.

The previous prime is 121625737. The next prime is 121625789. The reversal of 121625773 is 377526121.

Together with previous prime (121625737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112402404 + 9223369 = 10602^2 + 3037^2 .

It is a cyclic number.

It is not a de Polignac number, because 121625773 - 2⁹ = 121625261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121625473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60812886 + 60812887.

It is an arithmetic number, because the mean of its divisors is an integer number (60812887).

Almost surely, 2^121625773 is an apocalyptic number.

It is an amenable number.

121625773 is a deficient number, since it is larger than the sum of its proper divisors (1).

121625773 is an equidigital number, since it uses as much as digits as its factorization.

121625773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 34.

The square root of 121625773 is about 11028.4075459696. The cubic root of 121625773 is about 495.4599309880.

The spelling of 121625773 in words is "one hundred twenty-one million, six hundred twenty-five thousand, seven hundred seventy-three".