297120142 has 16 divisors (see below), whose sum is σ = 494169264. Its totient is φ = 132840000.

The previous prime is 297120139. The next prime is 297120209. The reversal of 297120142 is 241021792.

It is a self number, because there is not a number n which added to its sum of digits gives 297120142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109359 + ... + 112042.

It is an arithmetic number, because the mean of its divisors is an integer number (30885579).

Almost surely, 2^297120142 is an apocalyptic number.

297120142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

297120142 is a deficient number, since it is larger than the sum of its proper divisors (197049122).

297120142 is a wasteful number, since it uses less digits than its factorization.

297120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221475.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 297120142 is about 17237.1732601375. The cubic root of 297120142 is about 667.2839791559.

The spelling of 297120142 in words is "two hundred ninety-seven million, one hundred twenty thousand, one hundred forty-two".