1144878937 has 2 divisors, whose sum is σ = 1144878938. Its totient is φ = 1144878936.

The previous prime is 1144878871. The next prime is 1144878941. The reversal of 1144878937 is 7398784411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 891559881 + 253319056 = 29859^2 + 15916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144878937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144878967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572439468 + 572439469.

It is an arithmetic number, because the mean of its divisors is an integer number (572439469).

Almost surely, 2^1144878937 is an apocalyptic number.

It is an amenable number.

1144878937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144878937 is an equidigital number, since it uses as much as digits as its factorization.

1144878937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 52.

The square root of 1144878937 is about 33836.0597144526. The cubic root of 1144878937 is about 1046.1320841822.

The spelling of 1144878937 in words is "one billion, one hundred forty-four million, eight hundred seventy-eight thousand, nine hundred thirty-seven".