126755985 has 8 divisors (see below), whose sum is σ = 202809600. Its totient is φ = 67603184.

The previous prime is 126755957. The next prime is 126755989. The reversal of 126755985 is 589557621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 126755985 - 2⁵ = 126755953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126755989) 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, 4225185 + ... + 4225214.

It is an arithmetic number, because the mean of its divisors is an integer number (25351200).

Almost surely, 2^126755985 is an apocalyptic number.

126755985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126755985 is a deficient number, since it is larger than the sum of its proper divisors (76053615).

126755985 is an equidigital number, since it uses as much as digits as its factorization.

126755985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450407.

The product of its digits is 756000, while the sum is 48.

The square root of 126755985 is about 11258.5960492417. The cubic root of 126755985 is about 502.3304346072.

The spelling of 126755985 in words is "one hundred twenty-six million, seven hundred fifty-five thousand, nine hundred eighty-five".