1100397 has 8 divisors (see below), whose sum is σ = 1472800. Its totient is φ = 730800.

The previous prime is 1100387. The next prime is 1100419. The reversal of 1100397 is 7930011.

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

It is not a de Polignac number, because 1100397 - 2⁴ = 1100381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100357) 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, 522 + ... + 1572.

It is an arithmetic number, because the mean of its divisors is an integer number (184100).

2^1100397 is an apocalyptic number.

It is an amenable number.

1100397 is a deficient number, since it is larger than the sum of its proper divisors (372403).

1100397 is a wasteful number, since it uses less digits than its factorization.

1100397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 1100397 is about 1048.9980934206. The cubic root of 1100397 is about 103.2404286945.

The spelling of 1100397 in words is "one million, one hundred thousand, three hundred ninety-seven".