1162878172 has 6 divisors (see below), whose sum is σ = 2035036808. Its totient is φ = 581439084.

The previous prime is 1162878151. The next prime is 1162878173. The reversal of 1162878172 is 2718782611.

It is a super-3 number, since 3×1162878172³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162878173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145359768 + ... + 145359775.

Almost surely, 2^1162878172 is an apocalyptic number.

It is an amenable number.

1162878172 is a deficient number, since it is larger than the sum of its proper divisors (872158636).

1162878172 is a wasteful number, since it uses less digits than its factorization.

1162878172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290719547 (or 290719545 counting only the distinct ones).

The product of its digits is 75264, while the sum is 43.

The square root of 1162878172 is about 34100.9995747925. Note that the first 3 decimals coincide. The cubic root of 1162878172 is about 1051.5858642089.

The spelling of 1162878172 in words is "one billion, one hundred sixty-two million, eight hundred seventy-eight thousand, one hundred seventy-two".