102424401 has 6 divisors (see below), whose sum is σ = 147946370. Its totient is φ = 68282928.

The previous prime is 102424393. The next prime is 102424447. The reversal of 102424401 is 104424201.

It can be written as a sum of positive squares in only one way, i.e., 87609600 + 14814801 = 9360^2 + 3849^2 .

It is not a de Polignac number, because 102424401 - 2³ = 102424393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102424471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5690236 + ... + 5690253.

Almost surely, 2^102424401 is an apocalyptic number.

It is an amenable number.

102424401 is a deficient number, since it is larger than the sum of its proper divisors (45521969).

102424401 is a wasteful number, since it uses less digits than its factorization.

102424401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11380495 (or 11380492 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 102424401 is about 10120.4941084909. The cubic root of 102424401 is about 467.8799960778.

Adding to 102424401 its reverse (104424201), we get a palindrome (206848602).

It can be divided in two parts, 1024 and 24401, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 102424401 in words is "one hundred two million, four hundred twenty-four thousand, four hundred one".