126231986953 has 16 divisors (see below), whose sum is σ = 134284305600. Its totient is φ = 118322164800.

The previous prime is 126231986941. The next prime is 126231986963. The reversal of 126231986953 is 359689132621.

It is a cyclic number.

It is not a de Polignac number, because 126231986953 - 2⁵ = 126231986921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126231986894 and 126231986903.

It is not an unprimeable number, because it can be changed into a prime (126231986963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2843038 + ... + 2887096.

It is an arithmetic number, because the mean of its divisors is an integer number (8392769100).

Almost surely, 2^126231986953 is an apocalyptic number.

It is an amenable number.

126231986953 is a deficient number, since it is larger than the sum of its proper divisors (8052318647).

126231986953 is a wasteful number, since it uses less digits than its factorization.

126231986953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45672.

The product of its digits is 4199040, while the sum is 55.

The spelling of 126231986953 in words is "one hundred twenty-six billion, two hundred thirty-one million, nine hundred eighty-six thousand, nine hundred fifty-three".