126875507397 has 8 divisors (see below), whose sum is σ = 179118363456. Its totient is φ = 79608161472.

The previous prime is 126875507389. The next prime is 126875507419. The reversal of 126875507397 is 793705578621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126875507397 - 2³ = 126875507389 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 126875507397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126875507327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243877473 + ... + 1243877574.

It is an arithmetic number, because the mean of its divisors is an integer number (22389795432).

Almost surely, 2^126875507397 is an apocalyptic number.

126875507397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

126875507397 is a deficient number, since it is larger than the sum of its proper divisors (52242856059).

126875507397 is a wasteful number, since it uses less digits than its factorization.

126875507397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487755067.

The product of its (nonzero) digits is 22226400, while the sum is 60.

The spelling of 126875507397 in words is "one hundred twenty-six billion, eight hundred seventy-five million, five hundred seven thousand, three hundred ninety-seven".