242412133 has 4 divisors (see below), whose sum is σ = 243899488. Its totient is φ = 240924780.

The previous prime is 242412083. The next prime is 242412143. The reversal of 242412133 is 331214242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242412133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242412143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743433 + ... + 743758.

It is an arithmetic number, because the mean of its divisors is an integer number (60974872).

Almost surely, 2^242412133 is an apocalyptic number.

It is an amenable number.

242412133 is a deficient number, since it is larger than the sum of its proper divisors (1487355).

242412133 is a wasteful number, since it uses less digits than its factorization.

242412133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487354.

The product of its digits is 1152, while the sum is 22.

The square root of 242412133 is about 15569.5900074472. The cubic root of 242412133 is about 623.5215254988.

Adding to 242412133 its reverse (331214242), we get a palindrome (573626375).

The spelling of 242412133 in words is "two hundred forty-two million, four hundred twelve thousand, one hundred thirty-three".