100420710 has 32 divisors (see below), whose sum is σ = 259549920. Its totient is φ = 24718848.

The previous prime is 100420703. The next prime is 100420711. The reversal of 100420710 is 17024001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100420710.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100420711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128355 + ... + 129134.

It is an arithmetic number, because the mean of its divisors is an integer number (8110935).

Almost surely, 2^100420710 is an apocalyptic number.

100420710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100420710 is an abundant number, since it is smaller than the sum of its proper divisors (159129210).

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

100420710 is a wasteful number, since it uses less digits than its factorization.

100420710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257512.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 100420710 is about 10021.0134218052. The cubic root of 100420710 is about 464.8088936051.

Adding to 100420710 its reverse (17024001), we get a palindrome (117444711).

The spelling of 100420710 in words is "one hundred million, four hundred twenty thousand, seven hundred ten".