126302131 has 8 divisors (see below), whose sum is σ = 131925024. Its totient is φ = 120690240.

The previous prime is 126302123. The next prime is 126302149. The reversal of 126302131 is 131203621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126302131 - 2³ = 126302123 is a prime.

It is a super-2 number, since 2×126302131² = 31904456590282322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126302099 and 126302108.

It is not an unprimeable number, because it can be changed into a prime (126302171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28305 + ... + 32461.

It is an arithmetic number, because the mean of its divisors is an integer number (16490628).

Almost surely, 2^126302131 is an apocalyptic number.

126302131 is a deficient number, since it is larger than the sum of its proper divisors (5622893).

126302131 is a wasteful number, since it uses less digits than its factorization.

126302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 126302131 is about 11238.4220867522. The cubic root of 126302131 is about 501.7301807103.

Adding to 126302131 its reverse (131203621), we get a palindrome (257505752).

The spelling of 126302131 in words is "one hundred twenty-six million, three hundred two thousand, one hundred thirty-one".