1242303398 has 16 divisors (see below), whose sum is σ = 2135147040. Its totient is φ = 531044736.

The previous prime is 1242303383. The next prime is 1242303431. The reversal of 1242303398 is 8933032421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108611 + ... + 119502.

It is an arithmetic number, because the mean of its divisors is an integer number (133446690).

Almost surely, 2^1242303398 is an apocalyptic number.

1242303398 is a deficient number, since it is larger than the sum of its proper divisors (892843642).

1242303398 is a wasteful number, since it uses less digits than its factorization.

1242303398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228511.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1242303398 is about 35246.3246027157. The cubic root of 1242303398 is about 1075.0018815183.

The spelling of 1242303398 in words is "one billion, two hundred forty-two million, three hundred three thousand, three hundred ninety-eight".