1249344922 has 32 divisors (see below), whose sum is σ = 2187165312. Its totient is φ = 524185344.

The previous prime is 1249344839. The next prime is 1249344953. The reversal of 1249344922 is 2294439421.

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 15 ways as a sum of consecutive naturals, for example, 135553 + ... + 144475.

It is an arithmetic number, because the mean of its divisors is an integer number (68348916).

Almost surely, 2^1249344922 is an apocalyptic number.

1249344922 is a deficient number, since it is larger than the sum of its proper divisors (937820390).

1249344922 is a wasteful number, since it uses less digits than its factorization.

1249344922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142.

The product of its digits is 124416, while the sum is 40.

The square root of 1249344922 is about 35346.0736433341. The cubic root of 1249344922 is about 1077.0291357653.

The spelling of 1249344922 in words is "one billion, two hundred forty-nine million, three hundred forty-four thousand, nine hundred twenty-two".