1152542042 has 4 divisors (see below), whose sum is σ = 1728813066. Its totient is φ = 576271020.

The previous prime is 1152542003. The next prime is 1152542063. The reversal of 1152542042 is 2402452511.

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., 824895841 + 327646201 = 28721^2 + 18101^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288135509 + ... + 288135512.

Almost surely, 2^1152542042 is an apocalyptic number.

1152542042 is a deficient number, since it is larger than the sum of its proper divisors (576271024).

1152542042 is an equidigital number, since it uses as much as digits as its factorization.

1152542042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576271023.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1152542042 is about 33949.1095906800. The cubic root of 1152542042 is about 1048.4609476331.

Adding to 1152542042 its reverse (2402452511), we get a palindrome (3554994553).

The spelling of 1152542042 in words is "one billion, one hundred fifty-two million, five hundred forty-two thousand, forty-two".