121604107 has 2 divisors, whose sum is σ = 121604108. Its totient is φ = 121604106.

The previous prime is 121604081. The next prime is 121604137. The reversal of 121604107 is 701406121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121604107 - 2¹⁵ = 121571339 is a prime.

It is not a weakly prime, because it can be changed into another prime (121604137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60802053 + 60802054.

It is an arithmetic number, because the mean of its divisors is an integer number (60802054).

Almost surely, 2^121604107 is an apocalyptic number.

121604107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121604107 is an equidigital number, since it uses as much as digits as its factorization.

121604107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 121604107 is about 11027.4252207848. The cubic root of 121604107 is about 495.4305093940.

The spelling of 121604107 in words is "one hundred twenty-one million, six hundred four thousand, one hundred seven".