1107145 has 8 divisors (see below), whose sum is σ = 1430856. Its totient is φ = 817536.

The previous prime is 1107109. The next prime is 1107157. The reversal of 1107145 is 5417011.

1107145 = T₆₀ + T₆₁ + ... + T₁₈₉.

It can be written as a sum of positive squares in 4 ways, for example, as 441 + 1106704 = 21^2 + 1052^2 .

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 1107145 - 2¹³ = 1098953 is a prime.

It is a Duffinian number.

1107145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8452 + ... + 8581.

It is an arithmetic number, because the mean of its divisors is an integer number (178857).

2^1107145 is an apocalyptic number.

It is an amenable number.

1107145 is a deficient number, since it is larger than the sum of its proper divisors (323711).

1107145 is a wasteful number, since it uses less digits than its factorization.

1107145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17051.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1107145 is about 1052.2095798842. The cubic root of 1107145 is about 103.4510336493.

The spelling of 1107145 in words is "one million, one hundred seven thousand, one hundred forty-five".