126117564 has 12 divisors (see below), whose sum is σ = 294274344. Its totient is φ = 42039184.

The previous prime is 126117559. The next prime is 126117569. The reversal of 126117564 is 465711621.

It is an interprime number because it is at equal distance from previous prime (126117559) and next prime (126117569).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126117569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5254887 + ... + 5254910.

It is an arithmetic number, because the mean of its divisors is an integer number (24522862).

Almost surely, 2^126117564 is an apocalyptic number.

It is an amenable number.

126117564 is an abundant number, since it is smaller than the sum of its proper divisors (168156780).

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

126117564 is a wasteful number, since it uses less digits than its factorization.

126117564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509804 (or 10509802 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 126117564 is about 11230.2076561389. The cubic root of 126117564 is about 501.4856665509.

The spelling of 126117564 in words is "one hundred twenty-six million, one hundred seventeen thousand, five hundred sixty-four".