1172010042 has 24 divisors (see below), whose sum is σ = 2902120416. Its totient is φ = 334859976.

The previous prime is 1172010013. The next prime is 1172010067. The reversal of 1172010042 is 2400102711.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1172009997 and 1172010024.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4650708 + ... + 4650959.

It is an arithmetic number, because the mean of its divisors is an integer number (120921684).

Almost surely, 2^1172010042 is an apocalyptic number.

1172010042 is an abundant number, since it is smaller than the sum of its proper divisors (1730110374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1172010042 is a wasteful number, since it uses less digits than its factorization.

1172010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301682 (or 9301679 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1172010042 is about 34234.6322019092. The cubic root of 1172010042 is about 1054.3313274349.

Adding to 1172010042 its reverse (2400102711), we get a palindrome (3572112753).

The spelling of 1172010042 in words is "one billion, one hundred seventy-two million, ten thousand, forty-two".