242103555 has 12 divisors (see below), whose sum is σ = 419646240. Its totient is φ = 129121872.

The previous prime is 242103553. The next prime is 242103557. The reversal of 242103555 is 555301242.

It is a happy number.

242103555 is a `hidden beast` number, since 2 + 4 + 2 + 103 + 555 = 666.

242103555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242103553) and next prime (242103557).

It is not a de Polignac number, because 242103555 - 2¹ = 242103553 is a prime.

It is a super-2 number, since 2×242103555² = 117228262687276050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242103553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2689995 + ... + 2690084.

It is an arithmetic number, because the mean of its divisors is an integer number (34970520).

Almost surely, 2^242103555 is an apocalyptic number.

242103555 is a deficient number, since it is larger than the sum of its proper divisors (177542685).

242103555 is a wasteful number, since it uses less digits than its factorization.

242103555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380090 (or 5380087 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 242103555 is about 15559.6772138756. The cubic root of 242103555 is about 623.2568430326.

Adding to 242103555 its reverse (555301242), we get a palindrome (797404797).

The spelling of 242103555 in words is "two hundred forty-two million, one hundred three thousand, five hundred fifty-five".