121200461 has 2 divisors, whose sum is σ = 121200462. Its totient is φ = 121200460.

The previous prime is 121200439. The next prime is 121200481. The reversal of 121200461 is 164002121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99400900 + 21799561 = 9970^2 + 4669^2 .

It is a cyclic number.

It is not a de Polignac number, because 121200461 - 2⁶ = 121200397 is a prime.

It is a super-2 number, since 2×121200461² = 29379103493225042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121200481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600230 + 60600231.

It is an arithmetic number, because the mean of its divisors is an integer number (60600231).

Almost surely, 2^121200461 is an apocalyptic number.

It is an amenable number.

121200461 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200461 is an equidigital number, since it uses as much as digits as its factorization.

121200461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 121200461 is about 11009.1080928475. The cubic root of 121200461 is about 494.8817334707.

Adding to 121200461 its reverse (164002121), we get a palindrome (285202582).

The spelling of 121200461 in words is "one hundred twenty-one million, two hundred thousand, four hundred sixty-one".