126688461 has 8 divisors (see below), whose sum is σ = 170953440. Its totient is φ = 83441232.

The previous prime is 126688459. The next prime is 126688543. The reversal of 126688461 is 164886621.

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

It is not a de Polignac number, because 126688461 - 2¹ = 126688459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126681461) 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, 254146 + ... + 254643.

It is an arithmetic number, because the mean of its divisors is an integer number (21369180).

Almost surely, 2^126688461 is an apocalyptic number.

It is an amenable number.

126688461 is a deficient number, since it is larger than the sum of its proper divisors (44264979).

126688461 is an equidigital number, since it uses as much as digits as its factorization.

126688461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508875.

The product of its digits is 110592, while the sum is 42.

The square root of 126688461 is about 11255.5968744443. The cubic root of 126688461 is about 502.2412201871.

The spelling of 126688461 in words is "one hundred twenty-six million, six hundred eighty-eight thousand, four hundred sixty-one".