1244472192 has 48 divisors (see below), whose sum is σ = 3581101680. Its totient is φ = 414823680.

The previous prime is 1244472179. The next prime is 1244472193. The reversal of 1244472192 is 2912744421.

It is a happy number.

1244472192 is a `hidden beast` number, since 1 + 24 + 447 + 2 + 192 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1244472192² = 3097422073322569728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244472193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538984 + ... + 541287.

It is an arithmetic number, because the mean of its divisors is an integer number (74606285).

Almost surely, 2^1244472192 is an apocalyptic number.

1244472192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244472192 is an abundant number, since it is smaller than the sum of its proper divisors (2336629488).

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

1244472192 is a wasteful number, since it uses less digits than its factorization.

1244472192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080291 (or 1080276 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 1244472192 is about 35277.0774299686. The cubic root of 1244472192 is about 1075.6270917012.

The spelling of 1244472192 in words is "one billion, two hundred forty-four million, four hundred seventy-two thousand, one hundred ninety-two".