100118487 has 16 divisors (see below), whose sum is σ = 152773632. Its totient is φ = 57131040.

The previous prime is 100118477. The next prime is 100118489. The reversal of 100118487 is 784811001.

It is not a de Polignac number, because 100118487 - 2⁸ = 100118231 is a prime.

It is a super-2 number, since 2×100118487² = 20047422878338338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100118489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14338 + ... + 20144.

It is an arithmetic number, because the mean of its divisors is an integer number (9548352).

Almost surely, 2^100118487 is an apocalyptic number.

100118487 is a deficient number, since it is larger than the sum of its proper divisors (52655145).

100118487 is an equidigital number, since it uses as much as digits as its factorization.

100118487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 100118487 is about 10005.9225961427. The cubic root of 100118487 is about 464.3421336498.

Adding to 100118487 its reverse (784811001), we get a palindrome (884929488).

The spelling of 100118487 in words is "one hundred million, one hundred eighteen thousand, four hundred eighty-seven".