1123997 has 8 divisors (see below), whose sum is σ = 1292352. Its totient is φ = 957600.

The previous prime is 1123979. The next prime is 1123999. The reversal of 1123997 is 7993211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123997 - 2⁸ = 1123741 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097 + ... + 1857.

It is an arithmetic number, because the mean of its divisors is an integer number (161544).

2^1123997 is an apocalyptic number.

It is an amenable number.

1123997 is a deficient number, since it is larger than the sum of its proper divisors (168355).

1123997 is an equidigital number, since it uses as much as digits as its factorization.

1123997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979.

The product of its digits is 3402, while the sum is 32.

The square root of 1123997 is about 1060.1872476124. The cubic root of 1123997 is about 103.9732734577.

The spelling of 1123997 in words is "one million, one hundred twenty-three thousand, nine hundred ninety-seven".