100702056 has 128 divisors (see below), whose sum is σ = 316512000. Its totient is φ = 26530560.

The previous prime is 100702009. The next prime is 100702061. The reversal of 100702056 is 650207001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106546 + ... + 107486.

It is an arithmetic number, because the mean of its divisors is an integer number (2472750).

Almost surely, 2^100702056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100702056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158256000).

100702056 is an abundant number, since it is smaller than the sum of its proper divisors (215809944).

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

100702056 is a wasteful number, since it uses less digits than its factorization.

100702056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 100702056 is about 10035.0414049968. The cubic root of 100702056 is about 465.2425697057.

Adding to 100702056 its reverse (650207001), we get a palindrome (750909057).

The spelling of 100702056 in words is "one hundred million, seven hundred two thousand, fifty-six".