61124169 has 4 divisors (see below), whose sum is σ = 81498896. Its totient is φ = 40749444.

The previous prime is 61124149. The next prime is 61124183. The reversal of 61124169 is 96142116.

It is a happy number.

61124169 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 not a de Polignac number, because 61124169 - 2⁸ = 61123913 is a prime.

It is a super-2 number, since 2×61124169² = 7472328071881122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61124149) 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, 10187359 + ... + 10187364.

It is an arithmetic number, because the mean of its divisors is an integer number (20374724).

Almost surely, 2^61124169 is an apocalyptic number.

It is an amenable number.

61124169 is a deficient number, since it is larger than the sum of its proper divisors (20374727).

61124169 is a wasteful number, since it uses less digits than its factorization.

61124169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20374726.

The product of its digits is 2592, while the sum is 30.

The square root of 61124169 is about 7818.1947404756. The cubic root of 61124169 is about 393.9166361459.

The spelling of 61124169 in words is "sixty-one million, one hundred twenty-four thousand, one hundred sixty-nine".