1181007 has 32 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 708480.

The previous prime is 1180997. The next prime is 1181017. The reversal of 1181007 is 7001811.

It is an interprime number because it is at equal distance from previous prime (1180997) and next prime (1181017).

It is not a de Polignac number, because 1181007 - 2¹¹ = 1178959 is a prime.

1181007 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14188 + ... + 14270.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^1181007 is an apocalyptic number.

1181007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1181007 is a deficient number, since it is larger than the sum of its proper divisors (754353).

1181007 is a wasteful number, since it uses less digits than its factorization.

1181007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 1181007 is about 1086.7414595938. The cubic root of 1181007 is about 105.7022318337.

Adding to 1181007 its reverse (7001811), we get a palindrome (8182818).

It can be divided in two parts, 11 and 81007, that added together give a palindrome (81018).

The spelling of 1181007 in words is "one million, one hundred eighty-one thousand, seven".