242125997 has 2 divisors, whose sum is σ = 242125998. Its totient is φ = 242125996.

The previous prime is 242125981. The next prime is 242126009. The reversal of 242125997 is 799521242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128618281 + 113507716 = 11341^2 + 10654^2 .

It is a cyclic number.

It is not a de Polignac number, because 242125997 - 2⁴ = 242125981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242125937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121062998 + 121062999.

It is an arithmetic number, because the mean of its divisors is an integer number (121062999).

Almost surely, 2^242125997 is an apocalyptic number.

It is an amenable number.

242125997 is a deficient number, since it is larger than the sum of its proper divisors (1).

242125997 is an equidigital number, since it uses as much as digits as its factorization.

242125997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 242125997 is about 15560.3983560833. The cubic root of 242125997 is about 623.2761002163.

The spelling of 242125997 in words is "two hundred forty-two million, one hundred twenty-five thousand, nine hundred ninety-seven".