1163215042 has 8 divisors (see below), whose sum is σ = 1903442832. Its totient is φ = 528734100.

The previous prime is 1163215033. The next prime is 1163215043. The reversal of 1163215042 is 2405123611.

It is a happy number.

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 = 1163214998 and 1163215016.

It is not an unprimeable number, because it can be changed into a prime (1163215043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26436684 + ... + 26436727.

It is an arithmetic number, because the mean of its divisors is an integer number (237930354).

Almost surely, 2^1163215042 is an apocalyptic number.

1163215042 is a deficient number, since it is larger than the sum of its proper divisors (740227790).

1163215042 is a wasteful number, since it uses less digits than its factorization.

1163215042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52873424.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1163215042 is about 34105.9385151618. The cubic root of 1163215042 is about 1051.6873977823.

Adding to 1163215042 its reverse (2405123611), we get a palindrome (3568338653).

The spelling of 1163215042 in words is "one billion, one hundred sixty-three million, two hundred fifteen thousand, forty-two".