100561002 has 16 divisors (see below), whose sum is σ = 202968480. Its totient is φ = 33212592.

The previous prime is 100560989. The next prime is 100561007. The reversal of 100561002 is 200165001.

It is a super-2 number, since 2×100561002² = 20225030246488008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100561007) 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, 76228 + ... + 77535.

It is an arithmetic number, because the mean of its divisors is an integer number (12685530).

Almost surely, 2^100561002 is an apocalyptic number.

100561002 is an abundant number, since it is smaller than the sum of its proper divisors (102407478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100561002 is a wasteful number, since it uses less digits than its factorization.

100561002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153877.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 100561002 is about 10028.0108695593. The cubic root of 100561002 is about 465.0252454787.

The spelling of 100561002 in words is "one hundred million, five hundred sixty-one thousand, two".