242106437 has 2 divisors, whose sum is σ = 242106438. Its totient is φ = 242106436.

The previous prime is 242106427. The next prime is 242106451. The reversal of 242106437 is 734601242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235131556 + 6974881 = 15334^2 + 2641^2 .

It is a cyclic number.

It is not a de Polignac number, because 242106437 - 2¹⁴ = 242090053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242106427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121053218 + 121053219.

It is an arithmetic number, because the mean of its divisors is an integer number (121053219).

Almost surely, 2^242106437 is an apocalyptic number.

It is an amenable number.

242106437 is a deficient number, since it is larger than the sum of its proper divisors (1).

242106437 is an equidigital number, since it uses as much as digits as its factorization.

242106437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 242106437 is about 15559.7698247757. The cubic root of 242106437 is about 623.2593161053.

Adding to 242106437 its reverse (734601242), we get a palindrome (976707679).

The spelling of 242106437 in words is "two hundred forty-two million, one hundred six thousand, four hundred thirty-seven".