1242002401 has 8 divisors (see below), whose sum is σ = 1312168320. Its totient is φ = 1173659088.

The previous prime is 1242002341. The next prime is 1242002413. The reversal of 1242002401 is 1042002421.

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 1242002401 - 2¹⁹ = 1241478113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242002471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454251 + ... + 456976.

It is an arithmetic number, because the mean of its divisors is an integer number (164021040).

Almost surely, 2^1242002401 is an apocalyptic number.

It is an amenable number.

1242002401 is a deficient number, since it is larger than the sum of its proper divisors (70165919).

1242002401 is an equidigital number, since it uses as much as digits as its factorization.

1242002401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911303.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1242002401 is about 35242.0544378446. The cubic root of 1242002401 is about 1074.9150539692.

Adding to 1242002401 its reverse (1042002421), we get a palindrome (2284004822).

The spelling of 1242002401 in words is "one billion, two hundred forty-two million, two thousand, four hundred one".