126604005 has 64 divisors (see below), whose sum is σ = 228427776. Its totient is φ = 59360000.

The previous prime is 126604001. The next prime is 126604007. The reversal of 126604005 is 500406621.

It is not a de Polignac number, because 126604005 - 2² = 126604001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126604001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1183162 + ... + 1183268.

It is an arithmetic number, because the mean of its divisors is an integer number (3569184).

Almost surely, 2^126604005 is an apocalyptic number.

126604005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126604005 is a deficient number, since it is larger than the sum of its proper divisors (101823771).

126604005 is a wasteful number, since it uses less digits than its factorization.

126604005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 126604005 is about 11251.8445154561. The cubic root of 126604005 is about 502.1295901476.

The spelling of 126604005 in words is "one hundred twenty-six million, six hundred four thousand, five".