126204045 has 32 divisors (see below), whose sum is σ = 222493824. Its totient is φ = 60576000.

The previous prime is 126204041. The next prime is 126204053. The reversal of 126204045 is 540402621.

It is not a de Polignac number, because 126204045 - 2² = 126204041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126204041) 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, 12879 + ... + 20451.

It is an arithmetic number, because the mean of its divisors is an integer number (6952932).

Almost surely, 2^126204045 is an apocalyptic number.

126204045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126204045 is a deficient number, since it is larger than the sum of its proper divisors (96289779).

126204045 is a wasteful number, since it uses less digits than its factorization.

126204045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 126204045 is about 11234.0573703360. The cubic root of 126204045 is about 501.6002661657.

Adding to 126204045 its reverse (540402621), we get a palindrome (666606666).

The spelling of 126204045 in words is "one hundred twenty-six million, two hundred four thousand, forty-five".