126918001753 has 4 divisors (see below), whose sum is σ = 134383766580. Its totient is φ = 119452236928.

The previous prime is 126918001673. The next prime is 126918001757. The reversal of 126918001753 is 357100819621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82646475289 + 44271526464 = 287483^2 + 210408^2 .

It is a cyclic number.

It is not a de Polignac number, because 126918001753 - 2¹³ = 126917993561 is a prime.

It is a super-2 number, since 2×126918001753² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126918001757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3732882388 + ... + 3732882421.

It is an arithmetic number, because the mean of its divisors is an integer number (33595941645).

Almost surely, 2^126918001753 is an apocalyptic number.

It is an amenable number.

126918001753 is a deficient number, since it is larger than the sum of its proper divisors (7465764827).

126918001753 is an equidigital number, since it uses as much as digits as its factorization.

126918001753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7465764826.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 126918001753 in words is "one hundred twenty-six billion, nine hundred eighteen million, one thousand, seven hundred fifty-three".