1011145 has 8 divisors (see below), whose sum is σ = 1241856. Its totient is φ = 789936.

The previous prime is 1011139. The next prime is 1011163. The reversal of 1011145 is 5411101.

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 1011145 - 2³ = 1011137 is a prime.

It is a super-2 number, since 2×1011145² = 2044828422050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2137 + ... + 2566.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

2^1011145 is an apocalyptic number.

It is an amenable number.

1011145 is a deficient number, since it is larger than the sum of its proper divisors (230711).

1011145 is an equidigital number, since it uses as much as digits as its factorization.

1011145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1011145 is about 1005.5570595446. The cubic root of 1011145 is about 100.3701283598.

Adding to 1011145 its reverse (5411101), we get a palindrome (6422246).

It can be divided in two parts, 1011 and 145, that added together give a square (1156 = 34²).

The spelling of 1011145 in words is "one million, eleven thousand, one hundred forty-five".