1392054248 has 32 divisors (see below), whose sum is σ = 2976228360. Its totient is φ = 604692480.

The previous prime is 1392054241. The next prime is 1392054253. The reversal of 1392054248 is 8424502931.

It can be written as a sum of positive squares in 4 ways, for example, as 850188964 + 541865284 = 29158^2 + 23278^2 .

It is not an unprimeable number, because it can be changed into a prime (1392054241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391913 + ... + 395448.

Almost surely, 2^1392054248 is an apocalyptic number.

It is an amenable number.

1392054248 is an abundant number, since it is smaller than the sum of its proper divisors (1584174112).

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

1392054248 is a wasteful number, since it uses less digits than its factorization.

1392054248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787397 (or 787393 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1392054248 is about 37310.2432047822. The cubic root of 1392054248 is about 1116.5685386508.

The spelling of 1392054248 in words is "one billion, three hundred ninety-two million, fifty-four thousand, two hundred forty-eight".