61123247 has 8 divisors (see below), whose sum is σ = 64680960. Its totient is φ = 57599640.

The previous prime is 61123241. The next prime is 61123267. The reversal of 61123247 is 74232116.

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

It is not a de Polignac number, because 61123247 - 2¹⁰ = 61122223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61123241) 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, 4793 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (8085120).

Almost surely, 2^61123247 is an apocalyptic number.

61123247 is a deficient number, since it is larger than the sum of its proper divisors (3557713).

61123247 is a wasteful number, since it uses less digits than its factorization.

61123247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17053.

The product of its digits is 2016, while the sum is 26.

The square root of 61123247 is about 7818.1357752344. The cubic root of 61123247 is about 393.9146555166.

The spelling of 61123247 in words is "sixty-one million, one hundred twenty-three thousand, two hundred forty-seven".