1001188413 has 48 divisors (see below), whose sum is σ = 1608122880. Its totient is φ = 597354912.

The previous prime is 1001188403. The next prime is 1001188423. The reversal of 1001188413 is 3148811001.

It is an interprime number because it is at equal distance from previous prime (1001188403) and next prime (1001188423).

It is not a de Polignac number, because 1001188413 - 2¹³ = 1001180221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001188403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324906 + ... + 327972.

It is an arithmetic number, because the mean of its divisors is an integer number (33502560).

Almost surely, 2^1001188413 is an apocalyptic number.

It is an amenable number.

1001188413 is a deficient number, since it is larger than the sum of its proper divisors (606934467).

1001188413 is a wasteful number, since it uses less digits than its factorization.

1001188413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198 (or 3195 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 1001188413 is about 31641.5614816968. The cubic root of 1001188413 is about 1000.3959808451.

Adding to 1001188413 its reverse (3148811001), we get a palindrome (4149999414).

The spelling of 1001188413 in words is "one billion, one million, one hundred eighty-eight thousand, four hundred thirteen".