42101434 has 8 divisors (see below), whose sum is σ = 63554868. Its totient is φ = 20916480.

The previous prime is 42101419. The next prime is 42101467. The reversal of 42101434 is 43410124.

It can be written as a sum of positive squares in 2 ways, for example, as 39652209 + 2449225 = 6297^2 + 1565^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66727 + ... + 67354.

Almost surely, 2^42101434 is an apocalyptic number.

42101434 is a deficient number, since it is larger than the sum of its proper divisors (21453434).

42101434 is a wasteful number, since it uses less digits than its factorization.

42101434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134240.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 42101434 is about 6488.5617820901. The cubic root of 42101434 is about 347.8822706973.

Adding to 42101434 its reverse (43410124), we get a palindrome (85511558).

The spelling of 42101434 in words is "forty-two million, one hundred one thousand, four hundred thirty-four".