126161004 has 12 divisors (see below), whose sum is σ = 294375704. Its totient is φ = 42053664.

The previous prime is 126160963. The next prime is 126161017. The reversal of 126161004 is 400161621.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5256697 + ... + 5256720.

Almost surely, 2^126161004 is an apocalyptic number.

It is an amenable number.

126161004 is an abundant number, since it is smaller than the sum of its proper divisors (168214700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126161004 is a wasteful number, since it uses less digits than its factorization.

126161004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10513424 (or 10513422 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 126161004 is about 11232.1415589370. The cubic root of 126161004 is about 501.5432372703.

The spelling of 126161004 in words is "one hundred twenty-six million, one hundred sixty-one thousand, four".