1144077972 has 12 divisors (see below), whose sum is σ = 2669515296. Its totient is φ = 381359320.

The previous prime is 1144077947. The next prime is 1144078031. The reversal of 1144077972 is 2797704411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47669904 + ... + 47669927.

It is an arithmetic number, because the mean of its divisors is an integer number (222459608).

Almost surely, 2^1144077972 is an apocalyptic number.

1144077972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144077972 is an abundant number, since it is smaller than the sum of its proper divisors (1525437324).

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

1144077972 is a wasteful number, since it uses less digits than its factorization.

1144077972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95339838 (or 95339836 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 1144077972 is about 33824.2216761894. The cubic root of 1144077972 is about 1045.8880669220. Note that the first 3 decimals are identical.

The spelling of 1144077972 in words is "one billion, one hundred forty-four million, seventy-seven thousand, nine hundred seventy-two".