242101501 has 2 divisors, whose sum is σ = 242101502. Its totient is φ = 242101500.

The previous prime is 242101463. The next prime is 242101529. The reversal of 242101501 is 105101242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222785476 + 19316025 = 14926^2 + 4395^2 .

It is a cyclic number.

It is not a de Polignac number, because 242101501 - 2¹⁵ = 242068733 is a prime.

It is a super-2 number, since 2×242101501² = 117226273572906002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242101901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121050750 + 121050751.

It is an arithmetic number, because the mean of its divisors is an integer number (121050751).

Almost surely, 2^242101501 is an apocalyptic number.

It is an amenable number.

242101501 is a deficient number, since it is larger than the sum of its proper divisors (1).

242101501 is an equidigital number, since it uses as much as digits as its factorization.

242101501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 242101501 is about 15559.6112097957. The cubic root of 242101501 is about 623.2550804629.

Adding to 242101501 its reverse (105101242), we get a palindrome (347202743).

The spelling of 242101501 in words is "two hundred forty-two million, one hundred one thousand, five hundred one".