1303121404 has 24 divisors (see below), whose sum is σ = 2456863920. Its totient is φ = 601200384.

The previous prime is 1303121401. The next prime is 1303121423. The reversal of 1303121404 is 4041213031.

It is a super-3 number, since 3×1303121404³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303121401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257652 + ... + 262660.

It is an arithmetic number, because the mean of its divisors is an integer number (102369330).

Almost surely, 2^1303121404 is an apocalyptic number.

It is an amenable number.

1303121404 is a deficient number, since it is larger than the sum of its proper divisors (1153742516).

1303121404 is a wasteful number, since it uses less digits than its factorization.

1303121404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10029 (or 10027 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1303121404 is about 36098.7728877312. The cubic root of 1303121404 is about 1092.2656920799.

Adding to 1303121404 its reverse (4041213031), we get a palindrome (5344334435).

The spelling of 1303121404 in words is "one billion, three hundred three million, one hundred twenty-one thousand, four hundred four".