1140213 has 4 divisors (see below), whose sum is σ = 1520288. Its totient is φ = 760140.

The previous prime is 1140203. The next prime is 1140233. The reversal of 1140213 is 3120411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1140213 - 2⁴ = 1140197 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140203) 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, 190033 + ... + 190038.

It is an arithmetic number, because the mean of its divisors is an integer number (380072).

2^1140213 is an apocalyptic number.

It is an amenable number.

1140213 is a deficient number, since it is larger than the sum of its proper divisors (380075).

1140213 is an equidigital number, since it uses as much as digits as its factorization.

1140213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380074.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1140213 is about 1067.8075669333. The cubic root of 1140213 is about 104.4708983928.

Adding to 1140213 its reverse (3120411), we get a palindrome (4260624).

The spelling of 1140213 in words is "one million, one hundred forty thousand, two hundred thirteen".