1351109 has 16 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 1165824.

The previous prime is 1351099. The next prime is 1351111. The reversal of 1351109 is 9011531.

It is a cyclic number.

It is not a de Polignac number, because 1351109 - 2⁴ = 1351093 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 (1351169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15137 + ... + 15225.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

2^1351109 is an apocalyptic number.

1351109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1351109 is a deficient number, since it is larger than the sum of its proper divisors (204091).

1351109 is a wasteful number, since it uses less digits than its factorization.

1351109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 1351109 is about 1162.3721435065. The cubic root of 1351109 is about 110.5512003125.

The spelling of 1351109 in words is "one million, three hundred fifty-one thousand, one hundred nine".