1144671937 has 2 divisors, whose sum is σ = 1144671938. Its totient is φ = 1144671936.

The previous prime is 1144671883. The next prime is 1144671943. The reversal of 1144671937 is 7391764411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1120307841 + 24364096 = 33471^2 + 4936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144671937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144671893 and 1144671902.

It is not a weakly prime, because it can be changed into another prime (1144671037) 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 as a sum of consecutive naturals, namely, 572335968 + 572335969.

It is an arithmetic number, because the mean of its divisors is an integer number (572335969).

Almost surely, 2^1144671937 is an apocalyptic number.

It is an amenable number.

1144671937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144671937 is an equidigital number, since it uses as much as digits as its factorization.

1144671937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 1144671937 is about 33833.0007093666. Note that the first 3 decimals coincide. The cubic root of 1144671937 is about 1046.0690316950.

The spelling of 1144671937 in words is "one billion, one hundred forty-four million, six hundred seventy-one thousand, nine hundred thirty-seven".