1293143392 has 48 divisors (see below), whose sum is σ = 2601396000. Its totient is φ = 632586240.

The previous prime is 1293143387. The next prime is 1293143399. The reversal of 1293143392 is 2933413921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293143399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386784 + ... + 390112.

It is an arithmetic number, because the mean of its divisors is an integer number (54195750).

Almost surely, 2^1293143392 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 1293143392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300698000).

1293143392 is an abundant number, since it is smaller than the sum of its proper divisors (1308252608).

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

1293143392 is a wasteful number, since it uses less digits than its factorization.

1293143392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599 (or 3591 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 1293143392 is about 35960.3030020605. The cubic root of 1293143392 is about 1089.4707168556.

The spelling of 1293143392 in words is "one billion, two hundred ninety-three million, one hundred forty-three thousand, three hundred ninety-two".