1242863410 has 32 divisors (see below), whose sum is σ = 2279947824. Its totient is φ = 487680000.

The previous prime is 1242863399. The next prime is 1242863429. The reversal of 1242863410 is 143682421.

It can be written as a sum of positive squares in 8 ways, for example, as 341843121 + 901020289 = 18489^2 + 30017^2 .

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 15 ways as a sum of consecutive naturals, for example, 242070 + ... + 247150.

Almost surely, 2^1242863410 is an apocalyptic number.

1242863410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242863410 is a deficient number, since it is larger than the sum of its proper divisors (1037084414).

1242863410 is a wasteful number, since it uses less digits than its factorization.

1242863410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1242863410 is about 35254.2679685737. The cubic root of 1242863410 is about 1075.1633889025.

The spelling of 1242863410 in words is "one billion, two hundred forty-two million, eight hundred sixty-three thousand, four hundred ten".