1242450001 has 8 divisors (see below), whose sum is σ = 1338384320. Its totient is φ = 1146567312.

The previous prime is 1242449969. The next prime is 1242450037. The reversal of 1242450001 is 1000542421.

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

It is a cyclic number.

It is not a de Polignac number, because 1242450001 - 2⁵ = 1242449969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242450091) by changing a digit.

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, 47620 + ... + 68938.

It is an arithmetic number, because the mean of its divisors is an integer number (167298040).

Almost surely, 2^1242450001 is an apocalyptic number.

It is an amenable number.

1242450001 is a deficient number, since it is larger than the sum of its proper divisors (95934319).

1242450001 is a wasteful number, since it uses less digits than its factorization.

1242450001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25815.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1242450001 is about 35248.4042333834. The cubic root of 1242450001 is about 1075.0441664926.

Adding to 1242450001 its reverse (1000542421), we get a palindrome (2242992422).

The spelling of 1242450001 in words is "one billion, two hundred forty-two million, four hundred fifty thousand, one".