61124669 has 4 divisors (see below), whose sum is σ = 61164960. Its totient is φ = 61084380.

The previous prime is 61124659. The next prime is 61124671. The reversal of 61124669 is 96642116.

61124669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-61124669 is a prime.

It is a super-2 number, since 2×61124669² = 7472450320719122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61124659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17777 + ... + 20934.

It is an arithmetic number, because the mean of its divisors is an integer number (15291240).

Almost surely, 2^61124669 is an apocalyptic number.

It is an amenable number.

61124669 is a deficient number, since it is larger than the sum of its proper divisors (40291).

61124669 is a wasteful number, since it uses less digits than its factorization.

61124669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40290.

The product of its digits is 15552, while the sum is 35.

The square root of 61124669 is about 7818.2267171015. The cubic root of 61124669 is about 393.9177102316.

The spelling of 61124669 in words is "sixty-one million, one hundred twenty-four thousand, six hundred sixty-nine".