1302141421 has 16 divisors (see below), whose sum is σ = 1571637760. Its totient is φ = 1053900720.

The previous prime is 1302141419. The next prime is 1302141431. The reversal of 1302141421 is 1241412031.

It is a cyclic number.

It is not a de Polignac number, because 1302141421 - 2¹ = 1302141419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302141431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24886 + ... + 56776.

It is an arithmetic number, because the mean of its divisors is an integer number (98227360).

Almost surely, 2^1302141421 is an apocalyptic number.

It is an amenable number.

1302141421 is a deficient number, since it is larger than the sum of its proper divisors (269496339).

1302141421 is a wasteful number, since it uses less digits than its factorization.

1302141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32224.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1302141421 is about 36085.1967016947. The cubic root of 1302141421 is about 1091.9918188392.

Adding to 1302141421 its reverse (1241412031), we get a palindrome (2543553452).

The spelling of 1302141421 in words is "one billion, three hundred two million, one hundred forty-one thousand, four hundred twenty-one".