126926785 has 16 divisors (see below), whose sum is σ = 155656080. Its totient is φ = 99324160.

The previous prime is 126926773. The next prime is 126926791. The reversal of 126926785 is 587629621.

It can be written as a sum of positive squares in 8 ways, for example, as 9247681 + 117679104 = 3041^2 + 10848^2 .

It is not a de Polignac number, because 126926785 - 2¹⁵ = 126894017 is a prime.

It is a super-2 number, since 2×126926785² = 32220817500872450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134415 + ... + 135355.

It is an arithmetic number, because the mean of its divisors is an integer number (9728505).

Almost surely, 2^126926785 is an apocalyptic number.

It is an amenable number.

126926785 is a deficient number, since it is larger than the sum of its proper divisors (28729295).

126926785 is an equidigital number, since it uses as much as digits as its factorization.

126926785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508.

The product of its digits is 362880, while the sum is 46.

The square root of 126926785 is about 11266.1788109367. The cubic root of 126926785 is about 502.5559585546. Note that the first 3 decimals are identical.

The spelling of 126926785 in words is "one hundred twenty-six million, nine hundred twenty-six thousand, seven hundred eighty-five".