126467254571997 has 32 divisors (see below), whose sum is σ = 196110213073920. Its totient is φ = 71907078101760.

The previous prime is 126467254571981. The next prime is 126467254572017. The reversal of 126467254571997 is 799175452764621.

It is not a de Polignac number, because 126467254571997 - 2⁴ = 126467254571981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126467254571797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2837220379 + ... + 2837264952.

It is an arithmetic number, because the mean of its divisors is an integer number (6128444158560).

Almost surely, 2^{126467254571997} is an apocalyptic number.

126467254571997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

126467254571997 is a deficient number, since it is larger than the sum of its proper divisors (69642958501923).

126467254571997 is a wasteful number, since it uses less digits than its factorization.

126467254571997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5674485393.

The product of its digits is 1600300800, while the sum is 75.

The spelling of 126467254571997 in words is "one hundred twenty-six trillion, four hundred sixty-seven billion, two hundred fifty-four million, five hundred seventy-one thousand, nine hundred ninety-seven".