1151030242 has 16 divisors (see below), whose sum is σ = 1796421240. Its totient is φ = 552452992.

The previous prime is 1151030207. The next prime is 1151030249. The reversal of 1151030242 is 2420301511.

It can be written as a sum of positive squares in 4 ways, for example, as 1147786641 + 3243601 = 33879^2 + 1801^2 .

It is not an unprimeable number, because it can be changed into a prime (1151030249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47323 + ... + 67390.

Almost surely, 2^1151030242 is an apocalyptic number.

1151030242 is a deficient number, since it is larger than the sum of its proper divisors (645390998).

1151030242 is a wasteful number, since it uses less digits than its factorization.

1151030242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114917.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1151030242 is about 33926.8366046704. The cubic root of 1151030242 is about 1048.0023217564.

Adding to 1151030242 its reverse (2420301511), we get a palindrome (3571331753).

It can be divided in two parts, 11 and 51030242, that added together give a triangular number (51030253 = T₁₀₁₀₂).

The spelling of 1151030242 in words is "one billion, one hundred fifty-one million, thirty thousand, two hundred forty-two".