1142123002 has 8 divisors (see below), whose sum is σ = 1813960116. Its totient is φ = 537469632.

The previous prime is 1142122997. The next prime is 1142123009. The reversal of 1142123002 is 2003212411.

It can be written as a sum of positive squares in 2 ways, for example, as 1083002281 + 59120721 = 32909^2 + 7689^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1142123009) 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, 16795893 + ... + 16795960.

Almost surely, 2^1142123002 is an apocalyptic number.

1142123002 is a deficient number, since it is larger than the sum of its proper divisors (671837114).

1142123002 is a wasteful number, since it uses less digits than its factorization.

1142123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33591872.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1142123002 is about 33795.3103551366. The cubic root of 1142123002 is about 1045.2919987103.

Adding to 1142123002 its reverse (2003212411), we get a palindrome (3145335413).

The spelling of 1142123002 in words is "one billion, one hundred forty-two million, one hundred twenty-three thousand, two".