42134501 has 4 divisors (see below), whose sum is σ = 42148992. Its totient is φ = 42120012.

The previous prime is 42134497. The next prime is 42134503. The reversal of 42134501 is 10543124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42134501 - 2² = 42134497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42134503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205 + ... + 9258.

It is an arithmetic number, because the mean of its divisors is an integer number (10537248).

Almost surely, 2^42134501 is an apocalyptic number.

It is an amenable number.

42134501 is a deficient number, since it is larger than the sum of its proper divisors (14491).

42134501 is a wasteful number, since it uses less digits than its factorization.

42134501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14490.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42134501 is about 6491.1093812999. The cubic root of 42134501 is about 347.9733239119.

Adding to 42134501 its reverse (10543124), we get a palindrome (52677625).

The spelling of 42134501 in words is "forty-two million, one hundred thirty-four thousand, five hundred one".