1097901 has 32 divisors (see below), whose sum is σ = 1921280. Its totient is φ = 606528.

The previous prime is 1097897. The next prime is 1097903.

1097901 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1097901 - 2² = 1097897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6915 + ... + 7071.

It is an arithmetic number, because the mean of its divisors is an integer number (60040).

2^1097901 is an apocalyptic number.

It is an amenable number.

1097901 is a deficient number, since it is larger than the sum of its proper divisors (823379).

1097901 is a wasteful number, since it uses less digits than its factorization.

1097901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 1097901 is about 1047.8077113669. The cubic root of 1097901 is about 103.1623104664.

The spelling of 1097901 in words is "one million, ninety-seven thousand, nine hundred one".