1242576430 has 8 divisors (see below), whose sum is σ = 2236637592. Its totient is φ = 497030568.

The previous prime is 1242576397. The next prime is 1242576431. The reversal of 1242576430 is 346752421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242576431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62128812 + ... + 62128831.

It is an arithmetic number, because the mean of its divisors is an integer number (279579699).

Almost surely, 2^1242576430 is an apocalyptic number.

1242576430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242576430 is a deficient number, since it is larger than the sum of its proper divisors (994061162).

1242576430 is a wasteful number, since it uses less digits than its factorization.

1242576430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124257650.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 1242576430 is about 35250.1975880987. The cubic root of 1242576430 is about 1075.0806299717.

The spelling of 1242576430 in words is "one billion, two hundred forty-two million, five hundred seventy-six thousand, four hundred thirty".