1142120234 has 8 divisors (see below), whose sum is σ = 1713860100. Its totient is φ = 570833536.

The previous prime is 1142120227. The next prime is 1142120237. The reversal of 1142120234 is 4320212411.

It can be written as a sum of positive squares in 2 ways, for example, as 1122451009 + 19669225 = 33503^2 + 4435^2 .

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 (1142120237) 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, 106919 + ... + 117114.

Almost surely, 2^1142120234 is an apocalyptic number.

1142120234 is a deficient number, since it is larger than the sum of its proper divisors (571739866).

1142120234 is a wasteful number, since it uses less digits than its factorization.

1142120234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226584.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1142120234 is about 33795.2694026842. The cubic root of 1142120234 is about 1045.2911542681.

Adding to 1142120234 its reverse (4320212411), we get a palindrome (5462332645).

The spelling of 1142120234 in words is "one billion, one hundred forty-two million, one hundred twenty thousand, two hundred thirty-four".