497120155 has 16 divisors (see below), whose sum is σ = 682928064. Its totient is φ = 340300800.

The previous prime is 497120153. The next prime is 497120159. The reversal of 497120155 is 551021794.

It is not a de Polignac number, because 497120155 - 2¹ = 497120153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 497120155.

It is not an unprimeable number, because it can be changed into a prime (497120153) 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 in 15 ways as a sum of consecutive naturals, for example, 9219 + ... + 32851.

It is an arithmetic number, because the mean of its divisors is an integer number (42683004).

Almost surely, 2^497120155 is an apocalyptic number.

497120155 is a deficient number, since it is larger than the sum of its proper divisors (185807909).

497120155 is a wasteful number, since it uses less digits than its factorization.

497120155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24246.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 497120155 is about 22296.1914909251. The cubic root of 497120155 is about 792.1737680098.

The spelling of 497120155 in words is "four hundred ninety-seven million, one hundred twenty thousand, one hundred fifty-five".