1185540970 has 16 divisors (see below), whose sum is σ = 2134823040. Its totient is φ = 474027664.

The previous prime is 1185540949. The next prime is 1185540973. The reversal of 1185540970 is 790455811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1185540973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371 + ... + 48889.

It is an arithmetic number, because the mean of its divisors is an integer number (133426440).

Almost surely, 2^1185540970 is an apocalyptic number.

1185540970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1185540970 is a deficient number, since it is larger than the sum of its proper divisors (949282070).

1185540970 is a wasteful number, since it uses less digits than its factorization.

1185540970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47189.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1185540970 is about 34431.6855526999. The cubic root of 1185540970 is about 1058.3732523572.

It can be divided in two parts, 11855 and 40970, that added together give a palindrome (52825).

The spelling of 1185540970 in words is "one billion, one hundred eighty-five million, five hundred forty thousand, nine hundred seventy".