120724427 has 2 divisors, whose sum is σ = 120724428. Its totient is φ = 120724426.

The previous prime is 120724411. The next prime is 120724433. The reversal of 120724427 is 724427021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120724427 - 2⁴ = 120724411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120724427.

It is not a weakly prime, because it can be changed into another prime (120724027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60362213 + 60362214.

It is an arithmetic number, because the mean of its divisors is an integer number (60362214).

Almost surely, 2^120724427 is an apocalyptic number.

120724427 is a deficient number, since it is larger than the sum of its proper divisors (1).

120724427 is an equidigital number, since it uses as much as digits as its factorization.

120724427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 120724427 is about 10987.4668145119. The cubic root of 120724427 is about 494.2329745729.

The spelling of 120724427 in words is "one hundred twenty million, seven hundred twenty-four thousand, four hundred twenty-seven".