1249445162 has 16 divisors (see below), whose sum is σ = 2156284800. Its totient is φ = 531881808.

The previous prime is 1249445159. The next prime is 1249445167. The reversal of 1249445162 is 2615449421.

It is a super-2 number, since 2×1249445162² = 3122226425690412488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1249445167) 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, 297398 + ... + 301569.

It is an arithmetic number, because the mean of its divisors is an integer number (134767800).

Almost surely, 2^1249445162 is an apocalyptic number.

1249445162 is a deficient number, since it is larger than the sum of its proper divisors (906839638).

1249445162 is a wasteful number, since it uses less digits than its factorization.

1249445162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599125.

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

The square root of 1249445162 is about 35347.4915941711. The cubic root of 1249445162 is about 1077.0579397973.

The spelling of 1249445162 in words is "one billion, two hundred forty-nine million, four hundred forty-five thousand, one hundred sixty-two".