1155962042 has 8 divisors (see below), whose sum is σ = 1734088500. Its totient is φ = 577932544.

The previous prime is 1155962009. The next prime is 1155962053. The reversal of 1155962042 is 2402695511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1089066001 + 66896041 = 33001^2 + 8179^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1155961993 and 1155962011.

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, 28634 + ... + 55962.

Almost surely, 2^1155962042 is an apocalyptic number.

1155962042 is a deficient number, since it is larger than the sum of its proper divisors (578126458).

1155962042 is a wasteful number, since it uses less digits than its factorization.

1155962042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48480.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1155962042 is about 33999.4417895353. The cubic root of 1155962042 is about 1049.4969750778.

The spelling of 1155962042 in words is "one billion, one hundred fifty-five million, nine hundred sixty-two thousand, forty-two".