1152267142 has 8 divisors (see below), whose sum is σ = 1861354656. Its totient is φ = 531815592.

The previous prime is 1152267131. The next prime is 1152267143. The reversal of 1152267142 is 2417622511.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152267143) 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, 22158958 + ... + 22159009.

It is an arithmetic number, because the mean of its divisors is an integer number (232669332).

Almost surely, 2^1152267142 is an apocalyptic number.

1152267142 is a deficient number, since it is larger than the sum of its proper divisors (709087514).

1152267142 is a wasteful number, since it uses less digits than its factorization.

1152267142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44317982.

The product of its digits is 6720, while the sum is 31.

The square root of 1152267142 is about 33945.0606421612. The cubic root of 1152267142 is about 1048.3775826821.

Adding to 1152267142 its reverse (2417622511), we get a palindrome (3569889653).

The spelling of 1152267142 in words is "one billion, one hundred fifty-two million, two hundred sixty-seven thousand, one hundred forty-two".