126071126257 has 8 divisors (see below), whose sum is σ = 126264920960. Its totient is φ = 125877402000.

The previous prime is 126071126201. The next prime is 126071126261. The reversal of 126071126257 is 752621170621.

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 126071126257 - 2¹¹ = 126071124209 is a prime.

It is a super-3 number, since 3×126071126257³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126071126287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4393318 + ... + 4421920.

It is an arithmetic number, because the mean of its divisors is an integer number (15783115120).

Almost surely, 2^126071126257 is an apocalyptic number.

It is an amenable number.

126071126257 is a deficient number, since it is larger than the sum of its proper divisors (193794703).

126071126257 is an equidigital number, since it uses as much as digits as its factorization.

126071126257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35223.

The product of its (nonzero) digits is 70560, while the sum is 40.

Adding to 126071126257 its reverse (752621170621), we get a palindrome (878692296878).

The spelling of 126071126257 in words is "one hundred twenty-six billion, seventy-one million, one hundred twenty-six thousand, two hundred fifty-seven".