1090901 has 8 divisors (see below), whose sum is σ = 1259904. Its totient is φ = 925200.

The previous prime is 1090897. The next prime is 1090909.

1090901 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1090901 - 2² = 1090897 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090909) 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, 65 + ... + 1478.

It is an arithmetic number, because the mean of its divisors is an integer number (157488).

2^1090901 is an apocalyptic number.

It is an amenable number.

1090901 is a deficient number, since it is larger than the sum of its proper divisors (169003).

1090901 is a wasteful number, since it uses less digits than its factorization.

1090901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 1090901 is about 1044.4620624992. The cubic root of 1090901 is about 102.9425953418.

It can be divided in two parts, 1090 and 901, that added together give a palindrome (1991).

The spelling of 1090901 in words is "one million, ninety thousand, nine hundred one".