121130407 has 2 divisors, whose sum is σ = 121130408. Its totient is φ = 121130406.

The previous prime is 121130393. The next prime is 121130417. The reversal of 121130407 is 704031121.

It is a strong prime.

It is an emirp because it is prime and its reverse (704031121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121130407 - 2⁷ = 121130279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121130417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60565203 + 60565204.

It is an arithmetic number, because the mean of its divisors is an integer number (60565204).

Almost surely, 2^121130407 is an apocalyptic number.

121130407 is a deficient number, since it is larger than the sum of its proper divisors (1).

121130407 is an equidigital number, since it uses as much as digits as its factorization.

121130407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 121130407 is about 11005.9259946631. The cubic root of 121130407 is about 494.7863676988.

Adding to 121130407 its reverse (704031121), we get a palindrome (825161528).

The spelling of 121130407 in words is "one hundred twenty-one million, one hundred thirty thousand, four hundred seven".