1081178652 has 24 divisors (see below), whose sum is σ = 2526130432. Its totient is φ = 359910000.

The previous prime is 1081178633. The next prime is 1081178653. The reversal of 1081178652 is 2568711801.

It is a self number, because there is not a number n which added to its sum of digits gives 1081178652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081178653) 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 in 7 ways as a sum of consecutive naturals, for example, 50974 + ... + 68997.

Almost surely, 2^1081178652 is an apocalyptic number.

1081178652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1081178652 is an abundant number, since it is smaller than the sum of its proper divisors (1444951780).

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

1081178652 is a wasteful number, since it uses less digits than its factorization.

1081178652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120729 (or 120727 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 39.

The square root of 1081178652 is about 32881.2811794188. The cubic root of 1081178652 is about 1026.3586668624.

The spelling of 1081178652 in words is "one billion, eighty-one million, one hundred seventy-eight thousand, six hundred fifty-two".