100420252 has 6 divisors (see below), whose sum is σ = 175735448. Its totient is φ = 50210124.

The previous prime is 100420217. The next prime is 100420261. The reversal of 100420252 is 252024001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12552528 + ... + 12552535.

Almost surely, 2^100420252 is an apocalyptic number.

It is an amenable number.

100420252 is a deficient number, since it is larger than the sum of its proper divisors (75315196).

100420252 is a wasteful number, since it uses less digits than its factorization.

100420252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25105067 (or 25105065 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 100420252 is about 10020.9905697990. The cubic root of 100420252 is about 464.8081869686.

Adding to 100420252 its reverse (252024001), we get a palindrome (352444253).

The spelling of 100420252 in words is "one hundred million, four hundred twenty thousand, two hundred fifty-two".