121222007 has 2 divisors, whose sum is σ = 121222008. Its totient is φ = 121222006.

The previous prime is 121221979. The next prime is 121222037. The reversal of 121222007 is 700222121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121222007 - 2¹⁸ = 120959863 is a prime.

It is a super-2 number, since 2×121222007² = 29389549962216098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121222037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611003 + 60611004.

It is an arithmetic number, because the mean of its divisors is an integer number (60611004).

Almost surely, 2^121222007 is an apocalyptic number.

121222007 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222007 is an equidigital number, since it uses as much as digits as its factorization.

121222007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 121222007 is about 11010.0866027475. The cubic root of 121222007 is about 494.9110570392.

Adding to 121222007 its reverse (700222121), we get a palindrome (821444128).

The spelling of 121222007 in words is "one hundred twenty-one million, two hundred twenty-two thousand, seven".