1200026464 has 144 divisors (see below), whose sum is σ = 3134684448. Its totient is φ = 446681088.

The previous prime is 1200026459. The next prime is 1200026497. The reversal of 1200026464 is 4646200021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344797 + ... + 348259.

It is an arithmetic number, because the mean of its divisors is an integer number (21768642).

Almost surely, 2^1200026464 is an apocalyptic number.

1200026464 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 1200026464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567342224).

1200026464 is an abundant number, since it is smaller than the sum of its proper divisors (1934657984).

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

1200026464 is a wasteful number, since it uses less digits than its factorization.

1200026464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517 (or 3502 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1200026464 is about 34641.3981242097. The cubic root of 1200026464 is about 1062.6663808464. Note that the first 3 decimals are identical.

Adding to 1200026464 its reverse (4646200021), we get a palindrome (5846226485).

The spelling of 1200026464 in words is "one billion, two hundred million, twenty-six thousand, four hundred sixty-four".