121671112007 has 2 divisors, whose sum is σ = 121671112008. Its totient is φ = 121671112006.

The previous prime is 121671112001. The next prime is 121671112067. The reversal of 121671112007 is 700211176121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121671112007 - 2¹² = 121671107911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121671112001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60835556003 + 60835556004.

It is an arithmetic number, because the mean of its divisors is an integer number (60835556004).

Almost surely, 2^121671112007 is an apocalyptic number.

121671112007 is a deficient number, since it is larger than the sum of its proper divisors (1).

121671112007 is an equidigital number, since it uses as much as digits as its factorization.

121671112007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 29.

Adding to 121671112007 its reverse (700211176121), we get a palindrome (821882288128).

The spelling of 121671112007 in words is "one hundred twenty-one billion, six hundred seventy-one million, one hundred twelve thousand, seven".