1242060401 has 8 divisors (see below), whose sum is σ = 1287480000. Its totient is φ = 1196813520.

The previous prime is 1242060397. The next prime is 1242060431. The reversal of 1242060401 is 1040602421.

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 1242060401 - 2² = 1242060397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242060431) 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, 28445 + ... + 57386.

It is an arithmetic number, because the mean of its divisors is an integer number (160935000).

Almost surely, 2^1242060401 is an apocalyptic number.

It is an amenable number.

1242060401 is a deficient number, since it is larger than the sum of its proper divisors (45419599).

1242060401 is an equidigital number, since it uses as much as digits as its factorization.

1242060401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86359.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1242060401 is about 35242.8773087556. The cubic root of 1242060401 is about 1074.9317861169.

Adding to 1242060401 its reverse (1040602421), we get a palindrome (2282662822).

The spelling of 1242060401 in words is "one billion, two hundred forty-two million, sixty thousand, four hundred one".