1248770938 has 16 divisors (see below), whose sum is σ = 1987312320. Its totient is φ = 586480576.

The previous prime is 1248770911. The next prime is 1248770959. The reversal of 1248770938 is 8390778421.

It is a junction number, because it is equal to n+sod(n) for n = 1248770891 and 1248770900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19408 + ... + 53611.

It is an arithmetic number, because the mean of its divisors is an integer number (124207020).

Almost surely, 2^1248770938 is an apocalyptic number.

1248770938 is a deficient number, since it is larger than the sum of its proper divisors (738541382).

1248770938 is a wasteful number, since it uses less digits than its factorization.

1248770938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73541.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 1248770938 is about 35337.9532231282. The cubic root of 1248770938 is about 1076.8641713968.

The spelling of 1248770938 in words is "one billion, two hundred forty-eight million, seven hundred seventy thousand, nine hundred thirty-eight".