126018451349 has 16 divisors (see below), whose sum is σ = 152281006080. Its totient is φ = 101871866160.

The previous prime is 126018451327. The next prime is 126018451477. The reversal of 126018451349 is 943154810621.

It is a cyclic number.

It is not a de Polignac number, because 126018451349 - 2¹⁶ = 126018385813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126018451319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094797 + ... + 2154114.

It is an arithmetic number, because the mean of its divisors is an integer number (9517562880).

Almost surely, 2^126018451349 is an apocalyptic number.

126018451349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

126018451349 is a deficient number, since it is larger than the sum of its proper divisors (26262554731).

126018451349 is a wasteful number, since it uses less digits than its factorization.

126018451349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249160.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 126018451349 in words is "one hundred twenty-six billion, eighteen million, four hundred fifty-one thousand, three hundred forty-nine".