121703399 has 2 divisors, whose sum is σ = 121703400. Its totient is φ = 121703398.

The previous prime is 121703389. The next prime is 121703411. The reversal of 121703399 is 993307121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121703399 - 2⁴ = 121703383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121703339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60851699 + 60851700.

It is an arithmetic number, because the mean of its divisors is an integer number (60851700).

Almost surely, 2^121703399 is an apocalyptic number.

121703399 is a deficient number, since it is larger than the sum of its proper divisors (1).

121703399 is an equidigital number, since it uses as much as digits as its factorization.

121703399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 121703399 is about 11031.9263503705. The cubic root of 121703399 is about 495.5653154314.

The spelling of 121703399 in words is "one hundred twenty-one million, seven hundred three thousand, three hundred ninety-nine".