1154213 has 4 divisors (see below), whose sum is σ = 1160448. Its totient is φ = 1147980.

The previous prime is 1154207. The next prime is 1154221. The reversal of 1154213 is 3124511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3124511 = 13 ⋅240347.

It is a cyclic number.

It is not a de Polignac number, because 1154213 - 2¹² = 1150117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154191 and 1154200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154233) 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, 2831 + ... + 3212.

It is an arithmetic number, because the mean of its divisors is an integer number (290112).

2^1154213 is an apocalyptic number.

It is an amenable number.

1154213 is a deficient number, since it is larger than the sum of its proper divisors (6235).

1154213 is an equidigital number, since it uses as much as digits as its factorization.

1154213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234.

The product of its digits is 120, while the sum is 17.

The square root of 1154213 is about 1074.3430550806. The cubic root of 1154213 is about 104.8967389965.

Adding to 1154213 its reverse (3124511), we get a palindrome (4278724).

The spelling of 1154213 in words is "one million, one hundred fifty-four thousand, two hundred thirteen".