242781172 has 24 divisors (see below), whose sum is σ = 436851072. Its totient is φ = 117988800.

The previous prime is 242781167. The next prime is 242781191. The reversal of 242781172 is 271187242.

It is a happy number.

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, 43797 + ... + 49027.

It is an arithmetic number, because the mean of its divisors is an integer number (18202128).

Almost surely, 2^242781172 is an apocalyptic number.

It is an amenable number.

242781172 is a deficient number, since it is larger than the sum of its proper divisors (194069900).

242781172 is a wasteful number, since it uses less digits than its factorization.

242781172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559 (or 5557 counting only the distinct ones).

The product of its digits is 12544, while the sum is 34.

The square root of 242781172 is about 15581.4367758561. The cubic root of 242781172 is about 623.8377735471.

The spelling of 242781172 in words is "two hundred forty-two million, seven hundred eighty-one thousand, one hundred seventy-two".