120264553 has 2 divisors, whose sum is σ = 120264554. Its totient is φ = 120264552.

The previous prime is 120264533. The next prime is 120264563. The reversal of 120264553 is 355462021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60171049 + 60093504 = 7757^2 + 7752^2 .

It is an emirp because it is prime and its reverse (355462021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120264553 - 2¹³ = 120256361 is a prime.

It is not a weakly prime, because it can be changed into another prime (120264503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60132276 + 60132277.

It is an arithmetic number, because the mean of its divisors is an integer number (60132277).

Almost surely, 2^120264553 is an apocalyptic number.

It is an amenable number.

120264553 is a deficient number, since it is larger than the sum of its proper divisors (1).

120264553 is an equidigital number, since it uses as much as digits as its factorization.

120264553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 120264553 is about 10966.5196393386. The cubic root of 120264553 is about 493.6046176040.

The spelling of 120264553 in words is "one hundred twenty million, two hundred sixty-four thousand, five hundred fifty-three".