1242403034 has 8 divisors (see below), whose sum is σ = 1864012500. Its totient is φ = 621065536.

The previous prime is 1242403009. The next prime is 1242403049. The reversal of 1242403034 is 4303042421.

It can be written as a sum of positive squares in 2 ways, for example, as 1196122225 + 46280809 = 34585^2 + 6803^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56159 + ... + 75090.

Almost surely, 2^1242403034 is an apocalyptic number.

1242403034 is a deficient number, since it is larger than the sum of its proper divisors (621609466).

1242403034 is a wasteful number, since it uses less digits than its factorization.

1242403034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135984.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1242403034 is about 35247.7379983454. The cubic root of 1242403034 is about 1075.0306200761.

Adding to 1242403034 its reverse (4303042421), we get a palindrome (5545445455).

The spelling of 1242403034 in words is "one billion, two hundred forty-two million, four hundred three thousand, thirty-four".