126747137 has 12 divisors (see below), whose sum is σ = 139598928. Its totient is φ = 115078260.

The previous prime is 126747133. The next prime is 126747161. The reversal of 126747137 is 731747621.

It is not a de Polignac number, because 126747137 - 2² = 126747133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126747137.

It is not an unprimeable number, because it can be changed into a prime (126747133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160658 + ... + 161444.

It is an arithmetic number, because the mean of its divisors is an integer number (11633244).

Almost surely, 2^126747137 is an apocalyptic number.

It is an amenable number.

126747137 is a deficient number, since it is larger than the sum of its proper divisors (12851791).

126747137 is an frugal number, since it uses more digits than its factorization.

126747137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 798 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 126747137 is about 11258.2030981858. The cubic root of 126747137 is about 502.3187462095.

The spelling of 126747137 in words is "one hundred twenty-six million, seven hundred forty-seven thousand, one hundred thirty-seven".