126100045 has 8 divisors (see below), whose sum is σ = 152284824. Its totient is φ = 100236864.

The previous prime is 126100043. The next prime is 126100049. The reversal of 126100045 is 540001621.

It can be written as a sum of positive squares in 4 ways, for example, as 9604 + 126090441 = 98^2 + 11229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126100045 - 2¹ = 126100043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126099995 and 126100031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126100043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79534 + ... + 81103.

It is an arithmetic number, because the mean of its divisors is an integer number (19035603).

Almost surely, 2^126100045 is an apocalyptic number.

It is an amenable number.

126100045 is a deficient number, since it is larger than the sum of its proper divisors (26184779).

126100045 is a wasteful number, since it uses less digits than its factorization.

126100045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160799.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 126100045 is about 11229.4276345680. The cubic root of 126100045 is about 501.4624450055.

Adding to 126100045 its reverse (540001621), we get a palindrome (666101666).

The spelling of 126100045 in words is "one hundred twenty-six million, one hundred thousand, forty-five".