126947895 has 8 divisors (see below), whose sum is σ = 203116656. Its totient is φ = 67705536.

The previous prime is 126947861. The next prime is 126947897. The reversal of 126947895 is 598749621.

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

It is not a de Polignac number, because 126947895 - 2⁹ = 126947383 is a prime.

It is a super-2 number, since 2×126947895² = 32231536089862050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126947897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231582 + ... + 4231611.

It is an arithmetic number, because the mean of its divisors is an integer number (25389582).

Almost surely, 2^126947895 is an apocalyptic number.

126947895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126947895 is a deficient number, since it is larger than the sum of its proper divisors (76168761).

126947895 is an equidigital number, since it uses as much as digits as its factorization.

126947895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463201.

The product of its digits is 1088640, while the sum is 51.

The square root of 126947895 is about 11267.1156468725. The cubic root of 126947895 is about 502.5838181015.

The spelling of 126947895 in words is "one hundred twenty-six million, nine hundred forty-seven thousand, eight hundred ninety-five".