1303402001 has 4 divisors (see below), whose sum is σ = 1421893104. Its totient is φ = 1184910900.

The previous prime is 1303401991. The next prime is 1303402039. The reversal of 1303402001 is 1002043031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1303402001 - 2¹⁰ = 1303400977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303402301) 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 3 ways as a sum of consecutive naturals, for example, 59245535 + ... + 59245556.

It is an arithmetic number, because the mean of its divisors is an integer number (355473276).

Almost surely, 2^1303402001 is an apocalyptic number.

1303402001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1303402001 is a deficient number, since it is larger than the sum of its proper divisors (118491103).

1303402001 is a wasteful number, since it uses less digits than its factorization.

1303402001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118491102.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1303402001 is about 36102.6591956881. The cubic root of 1303402001 is about 1092.3440844895.

Adding to 1303402001 its reverse (1002043031), we get a palindrome (2305445032).

It can be divided in two parts, 1303 and 402001, that added together give a palindrome (403304).

The spelling of 1303402001 in words is "one billion, three hundred three million, four hundred two thousand, one".