1012406224 has 20 divisors (see below), whose sum is σ = 1980961380. Its totient is φ = 501190400.

The previous prime is 1012406221. The next prime is 1012406293. The reversal of 1012406224 is 4226042101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 661518400 + 350887824 = 25720^2 + 18732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012406195 and 1012406204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012406221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311629 + ... + 314860.

It is an arithmetic number, because the mean of its divisors is an integer number (99048069).

Almost surely, 2^1012406224 is an apocalyptic number.

It is an amenable number.

1012406224 is a deficient number, since it is larger than the sum of its proper divisors (968555156).

1012406224 is a wasteful number, since it uses less digits than its factorization.

1012406224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626598 (or 626592 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1012406224 is about 31818.3315715956. The cubic root of 1012406224 is about 1004.1184233047.

Adding to 1012406224 its reverse (4226042101), we get a palindrome (5238448325).

The spelling of 1012406224 in words is "one billion, twelve million, four hundred six thousand, two hundred twenty-four".