100151217 has 6 divisors (see below), whose sum is σ = 144662882. Its totient is φ = 66767472.

The previous prime is 100151197. The next prime is 100151221. The reversal of 100151217 is 712151001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 97298496 + 2852721 = 9864^2 + 1689^2 .

It is not a de Polignac number, because 100151217 - 2²⁶ = 33042353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100151217.

It is not an unprimeable number, because it can be changed into a prime (100151017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5563948 + ... + 5563965.

Almost surely, 2^100151217 is an apocalyptic number.

It is an amenable number.

100151217 is a deficient number, since it is larger than the sum of its proper divisors (44511665).

100151217 is a wasteful number, since it uses less digits than its factorization.

100151217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11127919 (or 11127916 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 100151217 is about 10007.5579938365. The cubic root of 100151217 is about 464.3927279095.

The spelling of 100151217 in words is "one hundred million, one hundred fifty-one thousand, two hundred seventeen".