1249013922 has 16 divisors (see below), whose sum is σ = 2690184000. Its totient is φ = 384311952.

The previous prime is 1249013891. The next prime is 1249013923. The reversal of 1249013922 is 2293109421.

It is not an unprimeable number, because it can be changed into a prime (1249013923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8006422 + ... + 8006577.

It is an arithmetic number, because the mean of its divisors is an integer number (168136500).

Almost surely, 2^1249013922 is an apocalyptic number.

1249013922 is an abundant number, since it is smaller than the sum of its proper divisors (1441170078).

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

1249013922 is a wasteful number, since it uses less digits than its factorization.

1249013922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16013017.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1249013922 is about 35341.3910592099. The cubic root of 1249013922 is about 1076.9340117459.

The spelling of 1249013922 in words is "one billion, two hundred forty-nine million, thirteen thousand, nine hundred twenty-two".