100281051 has 24 divisors (see below), whose sum is σ = 160878960. Its totient is φ = 61708608.

The previous prime is 100281047. The next prime is 100281089. The reversal of 100281051 is 150182001.

It is not a de Polignac number, because 100281051 - 2² = 100281047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100281091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6426 + ... + 15551.

It is an arithmetic number, because the mean of its divisors is an integer number (6703290).

Almost surely, 2^100281051 is an apocalyptic number.

100281051 is a deficient number, since it is larger than the sum of its proper divisors (60597909).

100281051 is a wasteful number, since it uses less digits than its factorization.

100281051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22012 (or 21993 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 100281051 is about 10014.0426901427. The cubic root of 100281051 is about 464.5933176822.

The spelling of 100281051 in words is "one hundred million, two hundred eighty-one thousand, fifty-one".