121232051 has 2 divisors, whose sum is σ = 121232052. Its totient is φ = 121232050.

The previous prime is 121232029. The next prime is 121232101. The reversal of 121232051 is 150232121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121232051 - 2⁶ = 121231987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121232021) 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, 60616025 + 60616026.

It is an arithmetic number, because the mean of its divisors is an integer number (60616026).

Almost surely, 2^121232051 is an apocalyptic number.

121232051 is a deficient number, since it is larger than the sum of its proper divisors (1).

121232051 is an equidigital number, since it uses as much as digits as its factorization.

121232051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121232051 is about 11010.5427205020. The cubic root of 121232051 is about 494.9247254852.

Adding to 121232051 its reverse (150232121), we get a palindrome (271464172).

The spelling of 121232051 in words is "one hundred twenty-one million, two hundred thirty-two thousand, fifty-one".