101420404 has 24 divisors (see below), whose sum is σ = 191881760.
Its totient is φ = 46741536.
The previous prime is 101420401. The next prime is 101420411. The reversal of 101420404 is 404024101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101420401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15222 + ... + 20845.
Almost surely, 2101420404 is an apocalyptic number.
It is an amenable number.
101420404 is a deficient number, since it is larger than the sum of its proper divisors (90461356).
101420404 is a wasteful number, since it uses less digits than its factorization.
101420404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36127 (or 36125 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 101420404 is about 10070.7697818985.
The cubic root of 101420404 is about 466.3462033419.
Adding to 101420404 its reverse (404024101), we get a palindrome (505444505).
The spelling of 101420404 in words is "one hundred one million, four hundred twenty thousand, four hundred four".