197569042 has 12 divisors (see below), whose sum is σ = 325744398. Its totient is φ = 89804000.

The previous prime is 197569033. The next prime is 197569051. The reversal of 197569042 is 240965791.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (197569033) and next prime (197569051).

It can be written as a sum of positive squares in only one way, i.e., 125641681 + 71927361 = 11209^2 + 8481^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 197569042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407959 + ... + 408442.

Almost surely, 2^197569042 is an apocalyptic number.

197569042 is a deficient number, since it is larger than the sum of its proper divisors (128175356).

197569042 is a wasteful number, since it uses less digits than its factorization.

197569042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816425 (or 816414 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 197569042 is about 14055.9255120394. The cubic root of 197569042 is about 582.4244943791.

It can be divided in two parts, 1975 and 69042, that added together give a palindrome (71017).

The spelling of 197569042 in words is "one hundred ninety-seven million, five hundred sixty-nine thousand, forty-two".