1210406424 has 16 divisors (see below), whose sum is σ = 3026016120. Its totient is φ = 403468800.

The previous prime is 1210406401. The next prime is 1210406467. The reversal of 1210406424 is 4246040121.

It is a happy number.

It is a super-2 number, since 2×1210406424² = 2930167422520935552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 50433601 = 1210406424 / (1 + 2 + 1 + 0 + 4 + 0 + 6 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 1210406394 and 1210406403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25216777 + ... + 25216824.

Almost surely, 2^1210406424 is an apocalyptic number.

It is an amenable number.

1210406424 is an abundant number, since it is smaller than the sum of its proper divisors (1815609696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210406424 is a wasteful number, since it uses less digits than its factorization.

1210406424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50433610 (or 50433606 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1210406424 is about 34790.8957056297. The cubic root of 1210406424 is about 1065.7215309383.

Adding to 1210406424 its reverse (4246040121), we get a palindrome (5456446545).

The spelling of 1210406424 in words is "one billion, two hundred ten million, four hundred six thousand, four hundred twenty-four".