1172013116 has 48 divisors (see below), whose sum is σ = 2271447360. Its totient is φ = 526310400.

The previous prime is 1172013107. The next prime is 1172013121. The reversal of 1172013116 is 6113102711.

It is a happy number.

It is a super-2 number, since 2×1172013116² = 2747229488152058912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1172013091 and 1172013100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095830 + ... + 1096898.

It is an arithmetic number, because the mean of its divisors is an integer number (47321820).

Almost surely, 2^1172013116 is an apocalyptic number.

It is an amenable number.

1172013116 is a deficient number, since it is larger than the sum of its proper divisors (1099434244).

1172013116 is a wasteful number, since it uses less digits than its factorization.

1172013116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1812 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1172013116 is about 34234.6770979368. The cubic root of 1172013116 is about 1054.3322492164.

Adding to 1172013116 its reverse (6113102711), we get a palindrome (7285115827).

The spelling of 1172013116 in words is "one billion, one hundred seventy-two million, thirteen thousand, one hundred sixteen".