126026553 has 8 divisors (see below), whose sum is σ = 168113248. Its totient is φ = 83978784.

The previous prime is 126026519. The next prime is 126026573. The reversal of 126026553 is 355620621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126026553 - 2⁹ = 126026041 is a prime.

It is a super-2 number, since 2×126026553² = 31765384122123618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126026553.

It is not an unprimeable number, because it can be changed into a prime (126026503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075 + ... + 15912.

It is an arithmetic number, because the mean of its divisors is an integer number (21014156).

Almost surely, 2^126026553 is an apocalyptic number.

It is an amenable number.

126026553 is a deficient number, since it is larger than the sum of its proper divisors (42086695).

126026553 is a wasteful number, since it uses less digits than its factorization.

126026553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19463.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 126026553 is about 11226.1548626411. The cubic root of 126026553 is about 501.3650074515.

The spelling of 126026553 in words is "one hundred twenty-six million, twenty-six thousand, five hundred fifty-three".