126504045 has 16 divisors (see below), whose sum is σ = 224896320. Its totient is φ = 67468752.

The previous prime is 126504029. The next prime is 126504121. The reversal of 126504045 is 540405621.

126504045 is a `hidden beast` number, since 1 + 2 + 650 + 4 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 126504045 - 2⁴ = 126504029 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468399 + ... + 468668.

It is an arithmetic number, because the mean of its divisors is an integer number (14056020).

Almost surely, 2^126504045 is an apocalyptic number.

126504045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126504045 is a deficient number, since it is larger than the sum of its proper divisors (98392275).

126504045 is an equidigital number, since it uses as much as digits as its factorization.

126504045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937081 (or 937075 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 126504045 is about 11247.4016999483. The cubic root of 126504045 is about 501.9974034669.

Adding to 126504045 its reverse (540405621), we get a palindrome (666909666).

The spelling of 126504045 in words is "one hundred twenty-six million, five hundred four thousand, forty-five".