126240288 has 24 divisors (see below), whose sum is σ = 331381008. Its totient is φ = 42080064.

The previous prime is 126240269. The next prime is 126240299. The reversal of 126240288 is 882042621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×126240288² = 31873220628645888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657406 + ... + 657597.

It is an arithmetic number, because the mean of its divisors is an integer number (13807542).

Almost surely, 2^126240288 is an apocalyptic number.

It is an amenable number.

126240288 is an abundant number, since it is smaller than the sum of its proper divisors (205140720).

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

126240288 is a wasteful number, since it uses less digits than its factorization.

126240288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315016 (or 1315008 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 126240288 is about 11235.6703404826. The cubic root of 126240288 is about 501.6482777237.

The spelling of 126240288 in words is "one hundred twenty-six million, two hundred forty thousand, two hundred eighty-eight".