242571130 has 16 divisors (see below), whose sum is σ = 462312360. Its totient is φ = 91320832.

The previous prime is 242571103. The next prime is 242571137. The reversal of 242571130 is 31175242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 180176929 + 62394201 = 13423^2 + 7899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242571095 and 242571104.

It is not an unprimeable number, because it can be changed into a prime (242571137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713275 + ... + 713614.

Almost surely, 2^242571130 is an apocalyptic number.

242571130 is a deficient number, since it is larger than the sum of its proper divisors (219741230).

242571130 is a wasteful number, since it uses less digits than its factorization.

242571130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426913.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 242571130 is about 15574.6951816079. The cubic root of 242571130 is about 623.6578173364.

The spelling of 242571130 in words is "two hundred forty-two million, five hundred seventy-one thousand, one hundred thirty".