61124005 has 8 divisors (see below), whose sum is σ = 73396224. Its totient is φ = 48867600.

The previous prime is 61124003. The next prime is 61124023. The reversal of 61124005 is 50042116.

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

It is not a de Polignac number, because 61124005 - 2¹ = 61124003 is a prime.

It is a super-2 number, since 2×61124005² = 7472287974480050, 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 (61124003) 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, 7660 + ... + 13450.

It is an arithmetic number, because the mean of its divisors is an integer number (9174528).

Almost surely, 2^61124005 is an apocalyptic number.

It is an amenable number.

61124005 is a deficient number, since it is larger than the sum of its proper divisors (12272219).

61124005 is a wasteful number, since it uses less digits than its factorization.

61124005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7907.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 61124005 is about 7818.1842521138. The cubic root of 61124005 is about 393.9162838445.

The spelling of 61124005 in words is "sixty-one million, one hundred twenty-four thousand, five".