126646845 has 16 divisors (see below), whose sum is σ = 218222592. Its totient is φ = 62349120.

The previous prime is 126646831. The next prime is 126646859. The reversal of 126646845 is 548646621.

It is an interprime number because it is at equal distance from previous prime (126646831) and next prime (126646859).

It is not a de Polignac number, because 126646845 - 2⁸ = 126646589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126646797 and 126646806.

It is a congruent number.

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, 324541 + ... + 324930.

It is an arithmetic number, because the mean of its divisors is an integer number (13638912).

Almost surely, 2^126646845 is an apocalyptic number.

126646845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126646845 is a deficient number, since it is larger than the sum of its proper divisors (91575747).

126646845 is a wasteful number, since it uses less digits than its factorization.

126646845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649492.

The product of its digits is 276480, while the sum is 42.

The square root of 126646845 is about 11253.7480423191. The cubic root of 126646845 is about 502.1862202829.

The spelling of 126646845 in words is "one hundred twenty-six million, six hundred forty-six thousand, eight hundred forty-five".