126113553 has 24 divisors (see below), whose sum is σ = 186338880. Its totient is φ = 82162080.

The previous prime is 126113543. The next prime is 126113563. The reversal of 126113553 is 355311621.

126113553 is a `hidden beast` number, since 12 + 611 + 35 + 5 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (126113543) and next prime (126113563).

It is not a de Polignac number, because 126113553 - 2⁹ = 126113041 is a prime.

It is a super-3 number, since 3×126113553³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (126113513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199548 + ... + 200178.

It is an arithmetic number, because the mean of its divisors is an integer number (7764120).

Almost surely, 2^126113553 is an apocalyptic number.

It is an amenable number.

126113553 is a deficient number, since it is larger than the sum of its proper divisors (60225327).

126113553 is a wasteful number, since it uses less digits than its factorization.

126113553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1106 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 126113553 is about 11230.0290738715. The cubic root of 126113553 is about 501.4803501348.

The spelling of 126113553 in words is "one hundred twenty-six million, one hundred thirteen thousand, five hundred fifty-three".