7235242129 has 2 divisors, whose sum is σ = 7235242130. Its totient is φ = 7235242128.

The previous prime is 7235242127. The next prime is 7235242171. The reversal of 7235242129 is 9212425327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7147857025 + 87385104 = 84545^2 + 9348^2 .

It is a cyclic number.

It is not a de Polignac number, because 7235242129 - 2¹ = 7235242127 is a prime.

Together with 7235242127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7235242121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3617621064 + 3617621065.

It is an arithmetic number, because the mean of its divisors is an integer number (3617621065).

Almost surely, 2^7235242129 is an apocalyptic number.

It is an amenable number.

7235242129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7235242129 is an equidigital number, since it uses as much as digits as its factorization.

7235242129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 7235242129 is about 85060.2264810058. The cubic root of 7235242129 is about 1934.1241892050.

It can be divided in two parts, 72352 and 42129, that added together give a triangular number (114481 = T₄₇₈).

The spelling of 7235242129 in words is "seven billion, two hundred thirty-five million, two hundred forty-two thousand, one hundred twenty-nine".