1161422042 has 8 divisors (see below), whose sum is σ = 1900508832. Its totient is φ = 527919100.

The previous prime is 1161422039. The next prime is 1161422069. The reversal of 1161422042 is 2402241611.

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 = 1161421999 and 1161422017.

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, 26395934 + ... + 26395977.

It is an arithmetic number, because the mean of its divisors is an integer number (237563604).

Almost surely, 2^1161422042 is an apocalyptic number.

1161422042 is a deficient number, since it is larger than the sum of its proper divisors (739086790).

1161422042 is a wasteful number, since it uses less digits than its factorization.

1161422042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52791924.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1161422042 is about 34079.6426331028. The cubic root of 1161422042 is about 1051.1467567894.

Adding to 1161422042 its reverse (2402241611), we get a palindrome (3563663653).

The spelling of 1161422042 in words is "one billion, one hundred sixty-one million, four hundred twenty-two thousand, forty-two".