61123064 has 16 divisors (see below), whose sum is σ = 115894800. Its totient is φ = 30217792.

The previous prime is 61123063. The next prime is 61123067. The reversal of 61123064 is 46032116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61123063) 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, 42212 + ... + 43635.

It is an arithmetic number, because the mean of its divisors is an integer number (7243425).

Almost surely, 2^61123064 is an apocalyptic number.

It is an amenable number.

61123064 is a deficient number, since it is larger than the sum of its proper divisors (54771736).

61123064 is a wasteful number, since it uses less digits than its factorization.

61123064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85942 (or 85938 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61123064 is about 7818.1240716683. The cubic root of 61123064 is about 393.9142623958.

The spelling of 61123064 in words is "sixty-one million, one hundred twenty-three thousand, sixty-four".