126542648 has 8 divisors (see below), whose sum is σ = 237267480. Its totient is φ = 63271320.

The previous prime is 126542629. The next prime is 126542671. The reversal of 126542648 is 846245621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7908908 + ... + 7908923.

It is an arithmetic number, because the mean of its divisors is an integer number (29658435).

Almost surely, 2^126542648 is an apocalyptic number.

It is an amenable number.

126542648 is a deficient number, since it is larger than the sum of its proper divisors (110724832).

126542648 is a wasteful number, since it uses less digits than its factorization.

126542648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15817837 (or 15817833 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 126542648 is about 11249.1176542874. The cubic root of 126542648 is about 502.0484601610.

The spelling of 126542648 in words is "one hundred twenty-six million, five hundred forty-two thousand, six hundred forty-eight".