1430553121 has 2 divisors, whose sum is σ = 1430553122. Its totient is φ = 1430553120.

The previous prime is 1430553109. The next prime is 1430553133. The reversal of 1430553121 is 1213550341.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1430553109) and next prime (1430553133).

It can be written as a sum of positive squares in only one way, i.e., 1323140625 + 107412496 = 36375^2 + 10364^2 .

It is an emirp because it is prime and its reverse (1213550341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1430553121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1430553101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715276560 + 715276561.

It is an arithmetic number, because the mean of its divisors is an integer number (715276561).

Almost surely, 2^1430553121 is an apocalyptic number.

It is an amenable number.

1430553121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430553121 is an equidigital number, since it uses as much as digits as its factorization.

1430553121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1430553121 is about 37822.6535425530. The cubic root of 1430553121 is about 1126.7684111031.

The spelling of 1430553121 in words is "one billion, four hundred thirty million, five hundred fifty-three thousand, one hundred twenty-one".