1152267442 has 4 divisors (see below), whose sum is σ = 1728401166. Its totient is φ = 576133720.

The previous prime is 1152267439. The next prime is 1152267443. The reversal of 1152267442 is 2447622511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1106826361 + 45441081 = 33269^2 + 6741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1152267398 and 1152267407.

It is not an unprimeable number, because it can be changed into a prime (1152267443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288066859 + ... + 288066862.

Almost surely, 2^1152267442 is an apocalyptic number.

1152267442 is a deficient number, since it is larger than the sum of its proper divisors (576133724).

1152267442 is an equidigital number, since it uses as much as digits as its factorization.

1152267442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576133723.

The product of its digits is 26880, while the sum is 34.

The square root of 1152267442 is about 33945.0650610659. The cubic root of 1152267442 is about 1048.3776736660.

Adding to 1152267442 its reverse (2447622511), we get a palindrome (3599889953).

The spelling of 1152267442 in words is "one billion, one hundred fifty-two million, two hundred sixty-seven thousand, four hundred forty-two".