1169420042 has 16 divisors (see below), whose sum is σ = 2009117760. Its totient is φ = 500080608.

The previous prime is 1169420011. The next prime is 1169420047. The reversal of 1169420042 is 2400249611.

It is a junction number, because it is equal to n+sod(n) for n = 1169419987 and 1169420014.

It is not an unprimeable number, because it can be changed into a prime (1169420047) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 84992 + ... + 97787.

It is an arithmetic number, because the mean of its divisors is an integer number (125569860).

Almost surely, 2^1169420042 is an apocalyptic number.

1169420042 is a deficient number, since it is larger than the sum of its proper divisors (839697718).

1169420042 is a wasteful number, since it uses less digits than its factorization.

1169420042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183245.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1169420042 is about 34196.7840885660. The cubic root of 1169420042 is about 1053.5541065261.

Adding to 1169420042 its reverse (2400249611), we get a palindrome (3569669653).

The spelling of 1169420042 in words is "one billion, one hundred sixty-nine million, four hundred twenty thousand, forty-two".