120687407 has 2 divisors, whose sum is σ = 120687408. Its totient is φ = 120687406.

The previous prime is 120687401. The next prime is 120687409. The reversal of 120687407 is 704786021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (704786021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120687407 is a prime.

Together with 120687409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120687401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60343703 + 60343704.

It is an arithmetic number, because the mean of its divisors is an integer number (60343704).

Almost surely, 2^120687407 is an apocalyptic number.

120687407 is a deficient number, since it is larger than the sum of its proper divisors (1).

120687407 is an equidigital number, since it uses as much as digits as its factorization.

120687407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 120687407 is about 10985.7820386170. The cubic root of 120687407 is about 494.1824507596.

The spelling of 120687407 in words is "one hundred twenty million, six hundred eighty-seven thousand, four hundred seven".