121210007 has 2 divisors, whose sum is σ = 121210008. Its totient is φ = 121210006.

The previous prime is 121209967. The next prime is 121210021. The reversal of 121210007 is 700012121.

It is an a-pointer prime, because the next prime (121210021) can be obtained adding 121210007 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121210007 - 2¹⁴ = 121193623 is a prime.

It is a super-4 number, since 4×121210007⁴ (a number of 33 digits) contains 4444 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121209973 and 121210000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605003 + 60605004.

It is an arithmetic number, because the mean of its divisors is an integer number (60605004).

Almost surely, 2^121210007 is an apocalyptic number.

121210007 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210007 is an equidigital number, since it uses as much as digits as its factorization.

121210007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 121210007 is about 11009.5416344188. The cubic root of 121210007 is about 494.8947257673.

Adding to 121210007 its reverse (700012121), we get a palindrome (821222128).

The spelling of 121210007 in words is "one hundred twenty-one million, two hundred ten thousand, seven".