121706051 has 2 divisors, whose sum is σ = 121706052. Its totient is φ = 121706050.

The previous prime is 121706027. The next prime is 121706071. The reversal of 121706051 is 150607121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121706051 is a prime.

It is not a weakly prime, because it can be changed into another prime (121706071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60853025 + 60853026.

It is an arithmetic number, because the mean of its divisors is an integer number (60853026).

Almost surely, 2^121706051 is an apocalyptic number.

121706051 is a deficient number, since it is larger than the sum of its proper divisors (1).

121706051 is an equidigital number, since it uses as much as digits as its factorization.

121706051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 121706051 is about 11032.0465463122. The cubic root of 121706051 is about 495.5689149739.

The spelling of 121706051 in words is "one hundred twenty-one million, seven hundred six thousand, fifty-one".