242429787 has 16 divisors (see below), whose sum is σ = 360322560. Its totient is φ = 161094600.

The previous prime is 242429773. The next prime is 242429813. The reversal of 242429787 is 787924242.

It is not a de Polignac number, because 242429787 - 2⁶ = 242429723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242429387) 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, 6039 + ... + 22832.

It is an arithmetic number, because the mean of its divisors is an integer number (22520160).

Almost surely, 2^242429787 is an apocalyptic number.

242429787 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

242429787 is a deficient number, since it is larger than the sum of its proper divisors (117892773).

242429787 is a wasteful number, since it uses less digits than its factorization.

242429787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29191 (or 29185 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 242429787 is about 15570.1569356253. The cubic root of 242429787 is about 623.5366614049.

The spelling of 242429787 in words is "two hundred forty-two million, four hundred twenty-nine thousand, seven hundred eighty-seven".