120402427 has 2 divisors, whose sum is σ = 120402428. Its totient is φ = 120402426.

The previous prime is 120402371. The next prime is 120402463. The reversal of 120402427 is 724204021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120402427 - 2¹⁵ = 120369659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120402398 and 120402407.

It is not a weakly prime, because it can be changed into another prime (120402727) 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, 60201213 + 60201214.

It is an arithmetic number, because the mean of its divisors is an integer number (60201214).

Almost surely, 2^120402427 is an apocalyptic number.

120402427 is a deficient number, since it is larger than the sum of its proper divisors (1).

120402427 is an equidigital number, since it uses as much as digits as its factorization.

120402427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 120402427 is about 10972.8039716382. The cubic root of 120402427 is about 493.7931720623.

Adding to 120402427 its reverse (724204021), we get a palindrome (844606448).

The spelling of 120402427 in words is "one hundred twenty million, four hundred two thousand, four hundred twenty-seven".