1249093378 has 16 divisors (see below), whose sum is σ = 2026664640. Its totient is φ = 573962256.

The previous prime is 1249093327. The next prime is 1249093379. The reversal of 1249093378 is 8733909421.

It is not an unprimeable number, because it can be changed into a prime (1249093379) 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, 99918 + ... + 111721.

It is an arithmetic number, because the mean of its divisors is an integer number (126666540).

Almost surely, 2^1249093378 is an apocalyptic number.

1249093378 is a deficient number, since it is larger than the sum of its proper divisors (777571262).

1249093378 is a wasteful number, since it uses less digits than its factorization.

1249093378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211881.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 1249093378 is about 35342.5151623367. The cubic root of 1249093378 is about 1076.9568476414.

The spelling of 1249093378 in words is "one billion, two hundred forty-nine million, ninety-three thousand, three hundred seventy-eight".