1245348244 has 48 divisors (see below), whose sum is σ = 2575835136. Its totient is φ = 515541600.

The previous prime is 1245348233. The next prime is 1245348259. The reversal of 1245348244 is 4428435421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643959 + ... + 645889.

It is an arithmetic number, because the mean of its divisors is an integer number (53663232).

Almost surely, 2^1245348244 is an apocalyptic number.

1245348244 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 1245348244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287917568).

1245348244 is an abundant number, since it is smaller than the sum of its proper divisors (1330486892).

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

1245348244 is a wasteful number, since it uses less digits than its factorization.

1245348244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2714 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

The square root of 1245348244 is about 35289.4919770744. The cubic root of 1245348244 is about 1075.8794300671.

The spelling of 1245348244 in words is "one billion, two hundred forty-five million, three hundred forty-eight thousand, two hundred forty-four".