1151333042 has 4 divisors (see below), whose sum is σ = 1726999566. Its totient is φ = 575666520.

The previous prime is 1151333039. The next prime is 1151333069. The reversal of 1151333042 is 2403331511.

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., 1055665081 + 95667961 = 32491^2 + 9781^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1151332999 and 1151333017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287833259 + ... + 287833262.

Almost surely, 2^1151333042 is an apocalyptic number.

1151333042 is a deficient number, since it is larger than the sum of its proper divisors (575666524).

1151333042 is an equidigital number, since it uses as much as digits as its factorization.

1151333042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575666523.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1151333042 is about 33931.2988551868. The cubic root of 1151333042 is about 1048.0942125595.

Adding to 1151333042 its reverse (2403331511), we get a palindrome (3554664553).

The spelling of 1151333042 in words is "one billion, one hundred fifty-one million, three hundred thirty-three thousand, forty-two".