700690121 has 2 divisors, whose sum is σ = 700690122. Its totient is φ = 700690120.

The previous prime is 700690091. The next prime is 700690181. The reversal of 700690121 is 121096007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407595721 + 293094400 = 20189^2 + 17120^2 .

It is a cyclic number.

It is not a de Polignac number, because 700690121 - 2¹⁴ = 700673737 is a prime.

It is not a weakly prime, because it can be changed into another prime (700690181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350345060 + 350345061.

It is an arithmetic number, because the mean of its divisors is an integer number (350345061).

Almost surely, 2^700690121 is an apocalyptic number.

It is an amenable number.

700690121 is a deficient number, since it is larger than the sum of its proper divisors (1).

700690121 is an equidigital number, since it uses as much as digits as its factorization.

700690121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 700690121 is about 26470.5519587333. The cubic root of 700690121 is about 888.1956969505.

The spelling of 700690121 in words is "seven hundred million, six hundred ninety thousand, one hundred twenty-one".