126118031 has 8 divisors (see below), whose sum is σ = 135928800. Its totient is φ = 116322912.

The previous prime is 126118001. The next prime is 126118037. The reversal of 126118031 is 130811621.

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 126118031 - 2²² = 121923727 is a prime.

It is a super-2 number, since 2×126118031² = 31811515486633922, 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 = 126117988 and 126118006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126118037) 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 in 7 ways as a sum of consecutive naturals, for example, 17006 + ... + 23268.

It is an arithmetic number, because the mean of its divisors is an integer number (16991100).

Almost surely, 2^126118031 is an apocalyptic number.

126118031 is a deficient number, since it is larger than the sum of its proper divisors (9810769).

126118031 is a wasteful number, since it uses less digits than its factorization.

126118031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 126118031 is about 11230.2284482552. The cubic root of 126118031 is about 501.4862855329.

Adding to 126118031 its reverse (130811621), we get a palindrome (256929652).

The spelling of 126118031 in words is "one hundred twenty-six million, one hundred eighteen thousand, thirty-one".