242760105 has 32 divisors (see below), whose sum is σ = 493228800. Its totient is φ = 110975616.

The previous prime is 242760103. The next prime is 242760109. The reversal of 242760105 is 501067242.

It is not a de Polignac number, because 242760105 - 2¹ = 242760103 is a prime.

It is a super-2 number, since 2×242760105² = 117864937159222050, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (242760103) 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, 127500 + ... + 129389.

It is an arithmetic number, because the mean of its divisors is an integer number (15413400).

Almost surely, 2^242760105 is an apocalyptic number.

It is an amenable number.

242760105 is an abundant number, since it is smaller than the sum of its proper divisors (250468695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242760105 is a wasteful number, since it uses less digits than its factorization.

242760105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256910 (or 256904 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 242760105 is about 15580.7607323904. The cubic root of 242760105 is about 623.8197288055.

The spelling of 242760105 in words is "two hundred forty-two million, seven hundred sixty thousand, one hundred five".