100497042 has 48 divisors (see below), whose sum is σ = 230062560. Its totient is φ = 31617216.

The previous prime is 100497041. The next prime is 100497053. The reversal of 100497042 is 240794001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100496997 and 100497015.

It is not an unprimeable number, because it can be changed into a prime (100497041) 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, 155973 + ... + 156615.

It is an arithmetic number, because the mean of its divisors is an integer number (4792970).

Almost surely, 2^100497042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100497042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115031280).

100497042 is an abundant number, since it is smaller than the sum of its proper divisors (129565518).

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

100497042 is a wasteful number, since it uses less digits than its factorization.

100497042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 100497042 is about 10024.8212951653. The cubic root of 100497042 is about 464.9266342803.

The spelling of 100497042 in words is "one hundred million, four hundred ninety-seven thousand, forty-two".