126868587 has 8 divisors (see below), whose sum is σ = 171683136. Its totient is φ = 83316552.

The previous prime is 126868561. The next prime is 126868639. The reversal of 126868587 is 785868621.

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

It is not a de Polignac number, because 126868587 - 2⁷ = 126868459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126868517) 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, 315393 + ... + 315794.

It is an arithmetic number, because the mean of its divisors is an integer number (21460392).

Almost surely, 2^126868587 is an apocalyptic number.

126868587 is a deficient number, since it is larger than the sum of its proper divisors (44814549).

126868587 is an equidigital number, since it uses as much as digits as its factorization.

126868587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631257.

The product of its digits is 1290240, while the sum is 51.

The square root of 126868587 is about 11263.5956514783. The cubic root of 126868587 is about 502.4791367789.

The spelling of 126868587 in words is "one hundred twenty-six million, eight hundred sixty-eight thousand, five hundred eighty-seven".