100885251 has 8 divisors (see below), whose sum is σ = 135072784. Its totient is φ = 66977280.

The previous prime is 100885241. The next prime is 100885261. The reversal of 100885251 is 152588001.

It is an interprime number because it is at equal distance from previous prime (100885241) and next prime (100885261).

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

It is a de Polignac number, because none of the positive numbers 2^k-100885251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100885241) 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, 69046 + ... + 70491.

It is an arithmetic number, because the mean of its divisors is an integer number (16884098).

Almost surely, 2^100885251 is an apocalyptic number.

100885251 is a deficient number, since it is larger than the sum of its proper divisors (34187533).

100885251 is a wasteful number, since it uses less digits than its factorization.

100885251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139781.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 100885251 is about 10044.1650225392. The cubic root of 100885251 is about 465.5245185397.

The spelling of 100885251 in words is "one hundred million, eight hundred eighty-five thousand, two hundred fifty-one".