126018045 has 32 divisors (see below), whose sum is σ = 228810240. Its totient is φ = 65776320.

The previous prime is 126018043. The next prime is 126018077. The reversal of 126018045 is 540810621.

126018045 is a `hidden beast` number, since 12 + 601 + 8 + 0 + 45 = 666.

It is not a de Polignac number, because 126018045 - 2¹ = 126018043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126018043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3586 + ... + 16275.

It is an arithmetic number, because the mean of its divisors is an integer number (7150320).

Almost surely, 2^126018045 is an apocalyptic number.

126018045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126018045 is a deficient number, since it is larger than the sum of its proper divisors (102792195).

126018045 is a wasteful number, since it uses less digits than its factorization.

126018045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19922 (or 19916 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 126018045 is about 11225.7759197304. The cubic root of 126018045 is about 501.3537248835.

Adding to 126018045 its reverse (540810621), we get a palindrome (666828666).

The spelling of 126018045 in words is "one hundred twenty-six million, eighteen thousand, forty-five".