1303214121 has 24 divisors (see below), whose sum is σ = 2054765856. Its totient is φ = 789359040.

The previous prime is 1303214113. The next prime is 1303214131. The reversal of 1303214121 is 1214123031.

It is not a de Polignac number, because 1303214121 - 2³ = 1303214113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303214094 and 1303214103.

It is not an unprimeable number, because it can be changed into a prime (1303214131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242166 + ... + 247488.

It is an arithmetic number, because the mean of its divisors is an integer number (85615244).

Almost surely, 2^1303214121 is an apocalyptic number.

1303214121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1303214121 is a deficient number, since it is larger than the sum of its proper divisors (751551735).

1303214121 is a wasteful number, since it uses less digits than its factorization.

1303214121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813 (or 7810 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1303214121 is about 36100.0570775172. The cubic root of 1303214121 is about 1092.2915963423.

Adding to 1303214121 its reverse (1214123031), we get a palindrome (2517337152).

The spelling of 1303214121 in words is "one billion, three hundred three million, two hundred fourteen thousand, one hundred twenty-one".