61124111 has 8 divisors (see below), whose sum is σ = 64113600. Its totient is φ = 58205088.

The previous prime is 61124101. The next prime is 61124123. The reversal of 61124111 is 11142116.

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

It is a cyclic number.

It is not a de Polignac number, because 61124111 - 2⁶ = 61124047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61124111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61124101) 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, 15836 + ... + 19313.

It is an arithmetic number, because the mean of its divisors is an integer number (8014200).

Almost surely, 2^61124111 is an apocalyptic number.

61124111 is a deficient number, since it is larger than the sum of its proper divisors (2989489).

61124111 is a wasteful number, since it uses less digits than its factorization.

61124111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35233.

The product of its digits is 48, while the sum is 17.

The square root of 61124111 is about 7818.1910311785. The cubic root of 61124111 is about 393.9165115516.

Adding to 61124111 its reverse (11142116), we get a palindrome (72266227).

The spelling of 61124111 in words is "sixty-one million, one hundred twenty-four thousand, one hundred eleven".