126941785 has 4 divisors (see below), whose sum is σ = 152330148. Its totient is φ = 101553424.

The previous prime is 126941767. The next prime is 126941791. The reversal of 126941785 is 587149621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 587149621 = 17 ⋅34538213.

It can be written as a sum of positive squares in 2 ways, for example, as 72948681 + 53993104 = 8541^2 + 7348^2 .

It is a cyclic number.

It is not a de Polignac number, because 126941785 - 2⁷ = 126941657 is a prime.

It is a super-2 number, since 2×126941785² = 32228433557972450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12694174 + ... + 12694183.

It is an arithmetic number, because the mean of its divisors is an integer number (38082537).

Almost surely, 2^126941785 is an apocalyptic number.

It is an amenable number.

126941785 is a deficient number, since it is larger than the sum of its proper divisors (25388363).

126941785 is an equidigital number, since it uses as much as digits as its factorization.

126941785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25388362.

The product of its digits is 120960, while the sum is 43.

The square root of 126941785 is about 11266.8445005689. The cubic root of 126941785 is about 502.5757548553.

The spelling of 126941785 in words is "one hundred twenty-six million, nine hundred forty-one thousand, seven hundred eighty-five".