126341001391 has 16 divisors (see below), whose sum is σ = 151388432640. Its totient is φ = 104079539520.

The previous prime is 126341001373. The next prime is 126341001419. The reversal of 126341001391 is 193100143621.

It is not a de Polignac number, because 126341001391 - 2⁷ = 126341001263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126341001091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13136550 + ... + 13146163.

It is an arithmetic number, because the mean of its divisors is an integer number (9461777040).

Almost surely, 2^126341001391 is an apocalyptic number.

126341001391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

126341001391 is a deficient number, since it is larger than the sum of its proper divisors (25047431249).

126341001391 is a wasteful number, since it uses less digits than its factorization.

126341001391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26282766.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 126341001391 in words is "one hundred twenty-six billion, three hundred forty-one million, one thousand, three hundred ninety-one".