100087481 has 16 divisors (see below), whose sum is σ = 110264448. Its totient is φ = 90288000.

The previous prime is 100087441. The next prime is 100087489. The reversal of 100087481 is 184780001.

It is a cyclic number.

It is not a de Polignac number, because 100087481 - 2⁶ = 100087417 is a prime.

It is a super-2 number, since 2×100087481² = 20035007705850722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100087489) 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, 131141 + ... + 131901.

It is an arithmetic number, because the mean of its divisors is an integer number (6891528).

Almost surely, 2^100087481 is an apocalyptic number.

It is an amenable number.

100087481 is a deficient number, since it is larger than the sum of its proper divisors (10176967).

100087481 is a wasteful number, since it uses less digits than its factorization.

100087481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 100087481 is about 10004.3730938025. The cubic root of 100087481 is about 464.2941941894.

The spelling of 100087481 in words is "one hundred million, eighty-seven thousand, four hundred eighty-one".