1142314421 has 8 divisors (see below), whose sum is σ = 1149107544. Its totient is φ = 1135537920.

The previous prime is 1142314387. The next prime is 1142314427. The reversal of 1142314421 is 1244132411.

It can be written as a sum of positive squares in 4 ways, for example, as 323496196 + 818818225 = 17986^2 + 28615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142314421 - 2¹⁰ = 1142313397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142314427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150305 + ... + 157721.

It is an arithmetic number, because the mean of its divisors is an integer number (143638443).

Almost surely, 2^1142314421 is an apocalyptic number.

It is an amenable number.

1142314421 is a deficient number, since it is larger than the sum of its proper divisors (6793123).

1142314421 is an equidigital number, since it uses as much as digits as its factorization.

1142314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8311.

The product of its digits is 768, while the sum is 23.

The square root of 1142314421 is about 33798.1422714326. The cubic root of 1142314421 is about 1045.3503921792.

Adding to 1142314421 its reverse (1244132411), we get a palindrome (2386446832).

The spelling of 1142314421 in words is "one billion, one hundred forty-two million, three hundred fourteen thousand, four hundred twenty-one".