1397126 has 8 divisors (see below), whose sum is σ = 2111400. Its totient is φ = 693328.

The previous prime is 1397119. The next prime is 1397131. The reversal of 1397126 is 6217931.

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

It is a super-2 number, since 2×1397126² = 3903922119752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (263925).

2^1397126 is an apocalyptic number.

1397126 is a deficient number, since it is larger than the sum of its proper divisors (714274).

1397126 is a wasteful number, since it uses less digits than its factorization.

1397126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238.

The product of its digits is 2268, while the sum is 29.

The square root of 1397126 is about 1182.0008460234. Note that the first 3 decimals coincide. The cubic root of 1397126 is about 111.7922914799.

The spelling of 1397126 in words is "one million, three hundred ninety-seven thousand, one hundred twenty-six".