1242322401 has 8 divisors (see below), whose sum is σ = 1683584704. Its totient is φ = 814637520.

The previous prime is 1242322373. The next prime is 1242322409. The reversal of 1242322401 is 1042232421.

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

It is not a de Polignac number, because 1242322401 - 2²³ = 1233933793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242322409) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3394141 + ... + 3394506.

It is an arithmetic number, because the mean of its divisors is an integer number (210448088).

Almost surely, 2^1242322401 is an apocalyptic number.

It is an amenable number.

1242322401 is a deficient number, since it is larger than the sum of its proper divisors (441262303).

1242322401 is an equidigital number, since it uses as much as digits as its factorization.

1242322401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6788711.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1242322401 is about 35246.5941758917. The cubic root of 1242322401 is about 1075.0073627763.

Adding to 1242322401 its reverse (1042232421), we get a palindrome (2284554822).

The spelling of 1242322401 in words is "one billion, two hundred forty-two million, three hundred twenty-two thousand, four hundred one".