1242203024 has 20 divisors (see below), whose sum is σ = 2446225500. Its totient is φ = 610919040.

The previous prime is 1242203009. The next prime is 1242203057. The reversal of 1242203024 is 4203022421.

It can be written as a sum of positive squares in 2 ways, for example, as 270010624 + 972192400 = 16432^2 + 31180^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1242202987 and 1242203005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635399 + ... + 637350.

It is an arithmetic number, because the mean of its divisors is an integer number (122311275).

Almost surely, 2^1242203024 is an apocalyptic number.

It is an amenable number.

1242203024 is a deficient number, since it is larger than the sum of its proper divisors (1204022476).

1242203024 is a wasteful number, since it uses less digits than its factorization.

1242203024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272818 (or 1272812 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1242203024 is about 35244.9006808077. The cubic root of 1242203024 is about 1074.9729285413.

Adding to 1242203024 its reverse (4203022421), we get a palindrome (5445225445).

The spelling of 1242203024 in words is "one billion, two hundred forty-two million, two hundred three thousand, twenty-four".