100537987 has 8 divisors (see below), whose sum is σ = 115450560. Its totient is φ = 86587560.

The previous prime is 100537973. The next prime is 100538033. The reversal of 100537987 is 789735001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100537987 - 2¹⁵ = 100505219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100537907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240313 + ... + 240730.

It is an arithmetic number, because the mean of its divisors is an integer number (14431320).

Almost surely, 2^100537987 is an apocalyptic number.

100537987 is a deficient number, since it is larger than the sum of its proper divisors (14912573).

100537987 is a wasteful number, since it uses less digits than its factorization.

100537987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481073.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 100537987 is about 10026.8632682410. The cubic root of 100537987 is about 464.9897666072.

The spelling of 100537987 in words is "one hundred million, five hundred thirty-seven thousand, nine hundred eighty-seven".