61123966 has 8 divisors (see below), whose sum is σ = 93054600. Its totient is φ = 30105768.

The previous prime is 61123961. The next prime is 61123973. The reversal of 61123966 is 66932116.

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

It is a super-2 number, since 2×61123966² = 7472278439138312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61123961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227941 + ... + 228208.

It is an arithmetic number, because the mean of its divisors is an integer number (11631825).

Almost surely, 2^61123966 is an apocalyptic number.

61123966 is a deficient number, since it is larger than the sum of its proper divisors (31930634).

61123966 is a wasteful number, since it uses less digits than its factorization.

61123966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456218.

The product of its digits is 11664, while the sum is 34.

The square root of 61123966 is about 7818.1817579281. The cubic root of 61123966 is about 393.9162000654.

The spelling of 61123966 in words is "sixty-one million, one hundred twenty-three thousand, nine hundred sixty-six".