1172783942 has 16 divisors (see below), whose sum is σ = 1923027264. Its totient is φ = 531993000.

The previous prime is 1172783891. The next prime is 1172783957. The reversal of 1172783942 is 2493872711.

It is a super-2 number, since 2×1172783942² = 2750844349226118728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1172783893 and 1172783902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43484 + ... + 65087.

It is an arithmetic number, because the mean of its divisors is an integer number (120189204).

Almost surely, 2^1172783942 is an apocalyptic number.

1172783942 is a deficient number, since it is larger than the sum of its proper divisors (750243322).

1172783942 is a wasteful number, since it uses less digits than its factorization.

1172783942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109075.

The product of its digits is 169344, while the sum is 44.

The square root of 1172783942 is about 34245.9332184130. The cubic root of 1172783942 is about 1054.5633412277.

The spelling of 1172783942 in words is "one billion, one hundred seventy-two million, seven hundred eighty-three thousand, nine hundred forty-two".