126387564 has 24 divisors (see below), whose sum is σ = 295203888. Its totient is φ = 42086400.

The previous prime is 126387551. The next prime is 126387577. The reversal of 126387564 is 465783621.

It is an interprime number because it is at equal distance from previous prime (126387551) and next prime (126387577).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8364 + ... + 17964.

It is an arithmetic number, because the mean of its divisors is an integer number (12300162).

Almost surely, 2^126387564 is an apocalyptic number.

It is an amenable number.

126387564 is an abundant number, since it is smaller than the sum of its proper divisors (168816324).

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

126387564 is a wasteful number, since it uses less digits than its factorization.

126387564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705 (or 10703 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 126387564 is about 11242.2223781599. Note that the first 3 decimals coincide. The cubic root of 126387564 is about 501.8432816086.

It can be divided in two parts, 12638 and 7564, that added together give a palindrome (20202).

The spelling of 126387564 in words is "one hundred twenty-six million, three hundred eighty-seven thousand, five hundred sixty-four".