1137073 has 4 divisors (see below), whose sum is σ = 1299520. Its totient is φ = 974628.

The previous prime is 1137067. The next prime is 1137091. The reversal of 1137073 is 3707311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3707311 = 67 ⋅55333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1137073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81213 + ... + 81226.

It is an arithmetic number, because the mean of its divisors is an integer number (324880).

2^1137073 is an apocalyptic number.

It is an amenable number.

1137073 is a deficient number, since it is larger than the sum of its proper divisors (162447).

1137073 is an equidigital number, since it uses as much as digits as its factorization.

1137073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162446.

The product of its (nonzero) digits is 441, while the sum is 22.

The square root of 1137073 is about 1066.3362509078. The cubic root of 1137073 is about 104.3749104186.

The spelling of 1137073 in words is "one million, one hundred thirty-seven thousand, seventy-three".