1242403010 has 16 divisors (see below), whose sum is σ = 2367874296. Its totient is φ = 467728128.

The previous prime is 1242403009. The next prime is 1242403049. The reversal of 1242403010 is 103042421.

It can be written as a sum of positive squares in 4 ways, for example, as 1232922769 + 9480241 = 35113^2 + 3079^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1242403010.

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 7 ways as a sum of consecutive naturals, for example, 3653957 + ... + 3654296.

Almost surely, 2^1242403010 is an apocalyptic number.

1242403010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242403010 is a deficient number, since it is larger than the sum of its proper divisors (1125471286).

1242403010 is a wasteful number, since it uses less digits than its factorization.

1242403010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7308277.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1242403010 is about 35247.7376578980. The cubic root of 1242403010 is about 1075.0306131538.

Adding to 1242403010 its reverse (103042421), we get a palindrome (1345445431).

The spelling of 1242403010 in words is "one billion, two hundred forty-two million, four hundred three thousand, ten".