42126133 has 12 divisors (see below), whose sum is σ = 51135840. Its totient is φ = 34537272.

The previous prime is 42126109. The next prime is 42126143. The reversal of 42126133 is 33162124.

It is not a de Polignac number, because 42126133 - 2²¹ = 40028981 is a prime.

It is a super-2 number, since 2×42126133² = 3549222163067378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42126143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17563 + ... + 19816.

It is an arithmetic number, because the mean of its divisors is an integer number (4261320).

Almost surely, 2^42126133 is an apocalyptic number.

It is an amenable number.

42126133 is a deficient number, since it is larger than the sum of its proper divisors (9009707).

42126133 is a wasteful number, since it uses less digits than its factorization.

42126133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37416 (or 37409 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 42126133 is about 6490.4647753454. The cubic root of 42126133 is about 347.9502863102.

Adding to 42126133 its reverse (33162124), we get a palindrome (75288257).

The spelling of 42126133 in words is "forty-two million, one hundred twenty-six thousand, one hundred thirty-three".