1185090072 has 32 divisors (see below), whose sum is σ = 3058298880. Its totient is φ = 382286880.

The previous prime is 1185090061. The next prime is 1185090089. The reversal of 1185090072 is 2700905811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795688 + ... + 797175.

It is an arithmetic number, because the mean of its divisors is an integer number (95571840).

Almost surely, 2^1185090072 is an apocalyptic number.

1185090072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1185090072 is an abundant number, since it is smaller than the sum of its proper divisors (1873208808).

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

1185090072 is a wasteful number, since it uses less digits than its factorization.

1185090072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592903 (or 1592899 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 1185090072 is about 34425.1372110555. The cubic root of 1185090072 is about 1058.2390579521.

Adding to 1185090072 its reverse (2700905811), we get a palindrome (3885995883).

The spelling of 1185090072 in words is "one billion, one hundred eighty-five million, ninety thousand, seventy-two".