100488261 has 8 divisors (see below), whose sum is σ = 134759520. Its totient is φ = 66604592.

The previous prime is 100488257. The next prime is 100488281. The reversal of 100488261 is 162884001.

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

It is a cyclic number.

It is not a de Polignac number, because 100488261 - 2² = 100488257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100488251) 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, 96291 + ... + 97328.

It is an arithmetic number, because the mean of its divisors is an integer number (16844940).

Almost surely, 2^100488261 is an apocalyptic number.

It is an amenable number.

100488261 is a deficient number, since it is larger than the sum of its proper divisors (34271259).

100488261 is a wasteful number, since it uses less digits than its factorization.

100488261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193795.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 100488261 is about 10024.3833226788. The cubic root of 100488261 is about 464.9130927882.

The spelling of 100488261 in words is "one hundred million, four hundred eighty-eight thousand, two hundred sixty-one".