100651426 has 4 divisors (see below), whose sum is σ = 150977142. Its totient is φ = 50325712.

The previous prime is 100651391. The next prime is 100651459. The reversal of 100651426 is 624156001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65853225 + 34798201 = 8115^2 + 5899^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100651426.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25162855 + ... + 25162858.

Almost surely, 2^100651426 is an apocalyptic number.

100651426 is a deficient number, since it is larger than the sum of its proper divisors (50325716).

100651426 is an equidigital number, since it uses as much as digits as its factorization.

100651426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50325715.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 100651426 is about 10032.5184275933. The cubic root of 100651426 is about 465.1645865907.

The spelling of 100651426 in words is "one hundred million, six hundred fifty-one thousand, four hundred twenty-six".