1402303121 has 2 divisors, whose sum is σ = 1402303122. Its totient is φ = 1402303120.

The previous prime is 1402303117. The next prime is 1402303127. The reversal of 1402303121 is 1213032041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1390469521 + 11833600 = 37289^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402303121 - 2² = 1402303117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1402303121.

It is not a weakly prime, because it can be changed into another prime (1402303127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701151560 + 701151561.

It is an arithmetic number, because the mean of its divisors is an integer number (701151561).

Almost surely, 2^1402303121 is an apocalyptic number.

It is an amenable number.

1402303121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402303121 is an equidigital number, since it uses as much as digits as its factorization.

1402303121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1402303121 is about 37447.3379694739. The cubic root of 1402303121 is about 1119.3020526630.

Adding to 1402303121 its reverse (1213032041), we get a palindrome (2615335162).

The spelling of 1402303121 in words is "one billion, four hundred two million, three hundred three thousand, one hundred twenty-one".