100412432 has 10 divisors (see below), whose sum is σ = 194549118. Its totient is φ = 50206208.

The previous prime is 100412419. The next prime is 100412437. The reversal of 100412432 is 234214001.

It can be written as a sum of positive squares in only one way, i.e., 99121936 + 1290496 = 9956^2 + 1136^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100412432.

It is not an unprimeable number, because it can be changed into a prime (100412437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3137873 + ... + 3137904.

Almost surely, 2^100412432 is an apocalyptic number.

It is an amenable number.

100412432 is a deficient number, since it is larger than the sum of its proper divisors (94136686).

100412432 is an equidigital number, since it uses as much as digits as its factorization.

100412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275785 (or 6275779 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100412432 is about 10020.6003812147. The cubic root of 100412432 is about 464.7961213600.

Adding to 100412432 its reverse (234214001), we get a palindrome (334626433).

The spelling of 100412432 in words is "one hundred million, four hundred twelve thousand, four hundred thirty-two".