126270170 has 16 divisors (see below), whose sum is σ = 244770120. Its totient is φ = 46622784.

The previous prime is 126270149. The next prime is 126270187. The reversal of 126270170 is 71072621.

It is a Cunningham number, because it is equal to 11237²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 45468049 + 80802121 = 6743^2 + 8989^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485525 + ... + 485784.

Almost surely, 2^126270170 is an apocalyptic number.

126270170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126270170 is a deficient number, since it is larger than the sum of its proper divisors (118499950).

126270170 is a wasteful number, since it uses less digits than its factorization.

126270170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971329.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 126270170 is about 11237.0000444959. Note that the first 4 decimals coincide. The cubic root of 126270170 is about 501.6878558738.

The spelling of 126270170 in words is "one hundred twenty-six million, two hundred seventy thousand, one hundred seventy".