1097437 has 4 divisors (see below), whose sum is σ = 1197216. Its totient is φ = 997660.

The previous prime is 1097423. The next prime is 1097441. The reversal of 1097437 is 7347901.

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: 7347901 = 11 ⋅667991.

It is a cyclic number.

It is not a de Polignac number, because 1097437 - 2¹⁵ = 1064669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1097399 and 1097408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097237) 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 in 3 ways as a sum of consecutive naturals, for example, 49873 + ... + 49894.

It is an arithmetic number, because the mean of its divisors is an integer number (299304).

2^1097437 is an apocalyptic number.

It is an amenable number.

1097437 is a deficient number, since it is larger than the sum of its proper divisors (99779).

1097437 is an equidigital number, since it uses as much as digits as its factorization.

1097437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99778.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1097437 is about 1047.5862732969. The cubic root of 1097437 is about 103.1477754410.

It can be divided in two parts, 10974 and 37, that added together give a palindrome (11011).

The spelling of 1097437 in words is "one million, ninety-seven thousand, four hundred thirty-seven".