242321085 has 32 divisors (see below), whose sum is σ = 431458560. Its totient is φ = 129038400.

The previous prime is 242321069. The next prime is 242321087. The reversal of 242321085 is 580123242.

It is not a de Polignac number, because 242321085 - 2⁴ = 242321069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242321087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138315 + ... + 140055.

It is an arithmetic number, because the mean of its divisors is an integer number (13483080).

Almost surely, 2^242321085 is an apocalyptic number.

It is an amenable number.

242321085 is a deficient number, since it is larger than the sum of its proper divisors (189137475).

242321085 is a wasteful number, since it uses less digits than its factorization.

242321085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 242321085 is about 15566.6658279800. The cubic root of 242321085 is about 623.4434525408.

The spelling of 242321085 in words is "two hundred forty-two million, three hundred twenty-one thousand, eighty-five".