1243750452 has 96 divisors (see below), whose sum is σ = 3396556800. Its totient is φ = 346899840.

The previous prime is 1243750429. The next prime is 1243750471. The reversal of 1243750452 is 2540573421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637174 + ... + 639122.

It is an arithmetic number, because the mean of its divisors is an integer number (35380800).

Almost surely, 2^1243750452 is an apocalyptic number.

1243750452 is a gapful number since it is divisible by the number (12) 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 1243750452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698278400).

1243750452 is an abundant number, since it is smaller than the sum of its proper divisors (2152806348).

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

1243750452 is a wasteful number, since it uses less digits than its factorization.

1243750452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 1243750452 is about 35266.8463574502. The cubic root of 1243750452 is about 1075.4191124394.

The spelling of 1243750452 in words is "one billion, two hundred forty-three million, seven hundred fifty thousand, four hundred fifty-two".