42117411 has 12 divisors (see below), whose sum is σ = 65325192. Its totient is φ = 24067008.

The previous prime is 42117409. The next prime is 42117469. The reversal of 42117411 is 11471124.

It is not a de Polignac number, because 42117411 - 2¹ = 42117409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (42117011) 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, 143110 + ... + 143403.

It is an arithmetic number, because the mean of its divisors is an integer number (5443766).

Almost surely, 2^42117411 is an apocalyptic number.

42117411 is a deficient number, since it is larger than the sum of its proper divisors (23207781).

42117411 is a wasteful number, since it uses less digits than its factorization.

42117411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286530 (or 286523 counting only the distinct ones).

The product of its digits is 224, while the sum is 21.

The square root of 42117411 is about 6489.7928318244. The cubic root of 42117411 is about 347.9262708780.

Adding to 42117411 its reverse (11471124), we get a palindrome (53588535).

The spelling of 42117411 in words is "forty-two million, one hundred seventeen thousand, four hundred eleven".