126546553 has 16 divisors (see below), whose sum is σ = 146977920. Its totient is φ = 106718976.

The previous prime is 126546551. The next prime is 126546577. The reversal of 126546553 is 355645621.

It is not a de Polignac number, because 126546553 - 2¹ = 126546551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126546551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123678 + ... + 124696.

It is an arithmetic number, because the mean of its divisors is an integer number (9186120).

Almost surely, 2^126546553 is an apocalyptic number.

It is an amenable number.

126546553 is a deficient number, since it is larger than the sum of its proper divisors (20431367).

126546553 is a wasteful number, since it uses less digits than its factorization.

126546553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296.

The product of its digits is 108000, while the sum is 37.

The square root of 126546553 is about 11249.2912221171. The cubic root of 126546553 is about 502.0536243727.

The spelling of 126546553 in words is "one hundred twenty-six million, five hundred forty-six thousand, five hundred fifty-three".