1141245 has 24 divisors (see below), whose sum is σ = 2261376. Its totient is φ = 521568.

The previous prime is 1141243. The next prime is 1141253. The reversal of 1141245 is 5421411.

It is not a de Polignac number, because 1141245 - 2¹ = 1141243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141241) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1497 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (94224).

2^1141245 is an apocalyptic number.

1141245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141245 is a deficient number, since it is larger than the sum of its proper divisors (1120131).

1141245 is a wasteful number, since it uses less digits than its factorization.

1141245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641 (or 3638 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 1141245 is about 1068.2906907766. The cubic root of 1141245 is about 104.5024075512.

Adding to 1141245 its reverse (5421411), we get a palindrome (6562656).

It can be divided in two parts, 1 and 141245, that added together give a triangular number (141246 = T₅₃₁).

The spelling of 1141245 in words is "one million, one hundred forty-one thousand, two hundred forty-five".