1301755123 has 2 divisors, whose sum is σ = 1301755124. Its totient is φ = 1301755122.

The previous prime is 1301755087. The next prime is 1301755157. The reversal of 1301755123 is 3215571031.

It is a strong prime.

It is an emirp because it is prime and its reverse (3215571031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301755123 - 2¹³ = 1301746931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301755091 and 1301755100.

It is not a weakly prime, because it can be changed into another prime (1301755163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650877561 + 650877562.

It is an arithmetic number, because the mean of its divisors is an integer number (650877562).

Almost surely, 2^1301755123 is an apocalyptic number.

1301755123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301755123 is an equidigital number, since it uses as much as digits as its factorization.

1301755123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 1301755123 is about 36079.8437219454. The cubic root of 1301755123 is about 1091.8838234069.

The spelling of 1301755123 in words is "one billion, three hundred one million, seven hundred fifty-five thousand, one hundred twenty-three".