1073021437 has 2 divisors, whose sum is σ = 1073021438. Its totient is φ = 1073021436.

The previous prime is 1073021429. The next prime is 1073021449. The reversal of 1073021437 is 7341203701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540981081 + 532040356 = 23259^2 + 23066^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073021437 - 2³ = 1073021429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1073021237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536510718 + 536510719.

It is an arithmetic number, because the mean of its divisors is an integer number (536510719).

Almost surely, 2^1073021437 is an apocalyptic number.

It is an amenable number.

1073021437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073021437 is an equidigital number, since it uses as much as digits as its factorization.

1073021437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 1073021437 is about 32757.0059223977. The cubic root of 1073021437 is about 1023.7709439069.

The spelling of 1073021437 in words is "one billion, seventy-three million, twenty-one thousand, four hundred thirty-seven".