1252104464 has 80 divisors (see below), whose sum is σ = 2716701120. Its totient is φ = 555072000.

The previous prime is 1252104461. The next prime is 1252104481. The reversal of 1252104464 is 4644012521.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1252104461) 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 15 ways as a sum of consecutive naturals, for example, 1513619 + ... + 1514445.

It is an arithmetic number, because the mean of its divisors is an integer number (33958764).

Almost surely, 2^1252104464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252104464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358350560).

1252104464 is an abundant number, since it is smaller than the sum of its proper divisors (1464596656).

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

1252104464 is a wasteful number, since it uses less digits than its factorization.

1252104464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1252104464 is about 35385.0881587145. The cubic root of 1252104464 is about 1077.8215301125.

Adding to 1252104464 its reverse (4644012521), we get a palindrome (5896116985).

The spelling of 1252104464 in words is "one billion, two hundred fifty-two million, one hundred four thousand, four hundred sixty-four".