126671197233 has 16 divisors (see below), whose sum is σ = 193031336960. Its totient is φ = 72380331216.

The previous prime is 126671197229. The next prime is 126671197253. The reversal of 126671197233 is 332791176621.

It is a happy number.

It is not a de Polignac number, because 126671197233 - 2² = 126671197229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126671197253) 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, 400716 + ... + 643362.

It is an arithmetic number, because the mean of its divisors is an integer number (12064458560).

Almost surely, 2^126671197233 is an apocalyptic number.

It is an amenable number.

126671197233 is a deficient number, since it is larger than the sum of its proper divisors (66360139727).

126671197233 is a wasteful number, since it uses less digits than its factorization.

126671197233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267516.

The product of its digits is 571536, while the sum is 48.

The spelling of 126671197233 in words is "one hundred twenty-six billion, six hundred seventy-one million, one hundred ninety-seven thousand, two hundred thirty-three".