1141505 has 4 divisors (see below), whose sum is σ = 1369812. Its totient is φ = 913200.

The previous prime is 1141477. The next prime is 1141507. The reversal of 1141505 is 5051411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 512656 + 628849 = 716^2 + 793^2 .

It is not a de Polignac number, because 1141505 - 2¹⁴ = 1125121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114146 + ... + 114155.

It is an arithmetic number, because the mean of its divisors is an integer number (342453).

2^1141505 is an apocalyptic number.

It is an amenable number.

1141505 is a deficient number, since it is larger than the sum of its proper divisors (228307).

1141505 is an equidigital number, since it uses as much as digits as its factorization.

1141505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228306.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1141505 is about 1068.4123735712. The cubic root of 1141505 is about 104.5103429092.

Adding to 1141505 its reverse (5051411), we get a palindrome (6192916).

The spelling of 1141505 in words is "one million, one hundred forty-one thousand, five hundred five".