1321401035 has 8 divisors (see below), whose sum is σ = 1615600080. Its totient is φ = 1037174944.

The previous prime is 1321400957. The next prime is 1321401043. The reversal of 1321401035 is 5301041231.

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 1321401035 - 2⁸ = 1321400779 is a prime.

It is a super-2 number, since 2×1321401035² = 3492201390598142450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321400998 and 1321401016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2492945 + ... + 2493474.

It is an arithmetic number, because the mean of its divisors is an integer number (201950010).

Almost surely, 2^1321401035 is an apocalyptic number.

1321401035 is a deficient number, since it is larger than the sum of its proper divisors (294199045).

1321401035 is an equidigital number, since it uses as much as digits as its factorization.

1321401035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986477.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1321401035 is about 36351.0802452967. The cubic root of 1321401035 is about 1097.3492745690.

Adding to 1321401035 its reverse (5301041231), we get a palindrome (6622442266).

The spelling of 1321401035 in words is "one billion, three hundred twenty-one million, four hundred one thousand, thirty-five".