1137973 has 2 divisors, whose sum is σ = 1137974. Its totient is φ = 1137972.

The previous prime is 1137959. The next prime is 1137977. The reversal of 1137973 is 3797311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1034289 + 103684 = 1017^2 + 322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1137973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1137977) 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 as a sum of consecutive naturals, namely, 568986 + 568987.

It is an arithmetic number, because the mean of its divisors is an integer number (568987).

2^1137973 is an apocalyptic number.

It is an amenable number.

1137973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137973 is an equidigital number, since it uses as much as digits as its factorization.

1137973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969, while the sum is 31.

The square root of 1137973 is about 1066.7581731583. The cubic root of 1137973 is about 104.4024409425.

The spelling of 1137973 in words is "one million, one hundred thirty-seven thousand, nine hundred seventy-three".