242503987 has 16 divisors (see below), whose sum is σ = 268128000. Its totient is φ = 217499040.

The previous prime is 242503969. The next prime is 242503993. The reversal of 242503987 is 789305242.

242503987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242503987 - 2²⁷ = 108286259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242503787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303873 + ... + 304669.

It is an arithmetic number, because the mean of its divisors is an integer number (16758000).

Almost surely, 2^242503987 is an apocalyptic number.

242503987 is a deficient number, since it is larger than the sum of its proper divisors (25624013).

242503987 is a wasteful number, since it uses less digits than its factorization.

242503987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 242503987 is about 15572.5395167262. The cubic root of 242503987 is about 623.6002697887.

The spelling of 242503987 in words is "two hundred forty-two million, five hundred three thousand, nine hundred eighty-seven".