1158280042 has 8 divisors (see below), whose sum is σ = 1784377476. Its totient is φ = 563487552.

The previous prime is 1158280037. The next prime is 1158280061. The reversal of 1158280042 is 2400828511.

It can be written as a sum of positive squares in 2 ways, for example, as 1128892801 + 29387241 = 33599^2 + 5421^2 .

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

It is a super-2 number, since 2×1158280042² = 2683225311391043528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1158279986 and 1158280013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7826143 + ... + 7826290.

Almost surely, 2^1158280042 is an apocalyptic number.

1158280042 is a deficient number, since it is larger than the sum of its proper divisors (626097434).

1158280042 is a wasteful number, since it uses less digits than its factorization.

1158280042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15652472.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 1158280042 is about 34033.5135124189. The cubic root of 1158280042 is about 1050.1980101246.

The spelling of 1158280042 in words is "one billion, one hundred fifty-eight million, two hundred eighty thousand, forty-two".