1142253 has 12 divisors (see below), whose sum is σ = 1885728. Its totient is φ = 652680.

The previous prime is 1142243. The next prime is 1142263. The reversal of 1142253 is 3522411.

It is an interprime number because it is at equal distance from previous prime (1142243) and next prime (1142263).

It is not a de Polignac number, because 1142253 - 2⁴ = 1142237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142233) 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 11 ways as a sum of consecutive naturals, for example, 9003 + ... + 9128.

It is an arithmetic number, because the mean of its divisors is an integer number (157144).

2^1142253 is an apocalyptic number.

It is an amenable number.

1142253 is a deficient number, since it is larger than the sum of its proper divisors (743475).

1142253 is a wasteful number, since it uses less digits than its factorization.

1142253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18144 (or 18141 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1142253 is about 1068.7623683495. The cubic root of 1142253 is about 104.5331656060.

Adding to 1142253 its reverse (3522411), we get a palindrome (4664664).

The spelling of 1142253 in words is "one million, one hundred forty-two thousand, two hundred fifty-three".