1351020901 has 2 divisors, whose sum is σ = 1351020902. Its totient is φ = 1351020900.

The previous prime is 1351020857. The next prime is 1351020911. The reversal of 1351020901 is 1090201531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 862831876 + 488189025 = 29374^2 + 22095^2 .

It is an emirp because it is prime and its reverse (1090201531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1351020901 - 2¹⁹ = 1350496613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351020911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675510450 + 675510451.

It is an arithmetic number, because the mean of its divisors is an integer number (675510451).

Almost surely, 2^1351020901 is an apocalyptic number.

It is an amenable number.

1351020901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351020901 is an equidigital number, since it uses as much as digits as its factorization.

1351020901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1351020901 is about 36756.2362191778. The cubic root of 1351020901 is about 1105.4879743165.

The spelling of 1351020901 in words is "one billion, three hundred fifty-one million, twenty thousand, nine hundred one".