1212064 has 36 divisors (see below), whose sum is σ = 2779434. Its totient is φ = 518784.

The previous prime is 1212061. The next prime is 1212103. The reversal of 1212064 is 4602121.

It can be written as a sum of positive squares in only one way, i.e., 1192464 + 19600 = 1092^2 + 140^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1212061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1182 + ... + 1954.

2^1212064 is an apocalyptic number.

1212064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389717).

1212064 is an abundant number, since it is smaller than the sum of its proper divisors (1567370).

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

1212064 is an equidigital number, since it uses as much as digits as its factorization.

1212064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1212064 is about 1100.9377820749. The cubic root of 1212064 is about 106.6207788731.

Adding to 1212064 its reverse (4602121), we get a palindrome (5814185).

The spelling of 1212064 in words is "one million, two hundred twelve thousand, sixty-four".