121793407 has 2 divisors, whose sum is σ = 121793408. Its totient is φ = 121793406.

The previous prime is 121793383. The next prime is 121793443. The reversal of 121793407 is 704397121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121793407 - 2⁷ = 121793279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121793467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60896703 + 60896704.

It is an arithmetic number, because the mean of its divisors is an integer number (60896704).

Almost surely, 2^121793407 is an apocalyptic number.

121793407 is a deficient number, since it is larger than the sum of its proper divisors (1).

121793407 is an equidigital number, since it uses as much as digits as its factorization.

121793407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 121793407 is about 11036.0050289949. The cubic root of 121793407 is about 495.6874534919.

The spelling of 121793407 in words is "one hundred twenty-one million, seven hundred ninety-three thousand, four hundred seven".