126018648 has 48 divisors (see below), whose sum is σ = 390059280. Its totient is φ = 36005184.

The previous prime is 126018643. The next prime is 126018691. The reversal of 126018648 is 846810621.

126018648 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 1 + 8 + 648 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126018643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124515 + ... + 125522.

It is an arithmetic number, because the mean of its divisors is an integer number (8126235).

Almost surely, 2^126018648 is an apocalyptic number.

126018648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

126018648 is an abundant number, since it is smaller than the sum of its proper divisors (264040632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126018648 is a wasteful number, since it uses less digits than its factorization.

126018648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250056 (or 250049 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 126018648 is about 11225.8027775300. The cubic root of 126018648 is about 501.3545245462.

The spelling of 126018648 in words is "one hundred twenty-six million, eighteen thousand, six hundred forty-eight".