64122102 has 48 divisors (see below), whose sum is σ = 154074960. Its totient is φ = 19108800.

The previous prime is 64122101. The next prime is 64122109. The reversal of 64122102 is 20122146.

64122102 is a `hidden beast` number, since 641 + 2 + 21 + 0 + 2 = 666.

It is a super-2 number, since 2×64122102² = 8223287929796808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64122101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9424 + ... + 14732.

It is an arithmetic number, because the mean of its divisors is an integer number (3209895).

Almost surely, 2^64122102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64122102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77037480).

64122102 is an abundant number, since it is smaller than the sum of its proper divisors (89952858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64122102 is a wasteful number, since it uses less digits than its factorization.

64122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389 (or 5386 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 64122102 is about 8007.6277386002. The cubic root of 64122102 is about 400.2542175660.

Adding to 64122102 its reverse (20122146), we get a palindrome (84244248).

The spelling of 64122102 in words is "sixty-four million, one hundred twenty-two thousand, one hundred two".