64621124 has 12 divisors (see below), whose sum is σ = 113274000. Its totient is φ = 32257128.

The previous prime is 64621103. The next prime is 64621127. The reversal of 64621124 is 42112646.

It is a junction number, because it is equal to n+sod(n) for n = 64621093 and 64621102.

It is not an unprimeable number, because it can be changed into a prime (64621127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10574 + ... + 15525.

It is an arithmetic number, because the mean of its divisors is an integer number (9439500).

Almost surely, 2^64621124 is an apocalyptic number.

It is an amenable number.

64621124 is a deficient number, since it is larger than the sum of its proper divisors (48652876).

64621124 is a wasteful number, since it uses less digits than its factorization.

64621124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26722 (or 26720 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 64621124 is about 8038.7265160596. The cubic root of 64621124 is about 401.2898446149.

The spelling of 64621124 in words is "sixty-four million, six hundred twenty-one thousand, one hundred twenty-four".