1265101 has 2 divisors, whose sum is σ = 1265102. Its totient is φ = 1265100.

The previous prime is 1265093. The next prime is 1265111. The reversal of 1265101 is 1015621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1212201 + 52900 = 1101^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1265101 - 2³ = 1265093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1265111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632550 + 632551.

It is an arithmetic number, because the mean of its divisors is an integer number (632551).

2^1265101 is an apocalyptic number.

It is an amenable number.

1265101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265101 is an equidigital number, since it uses as much as digits as its factorization.

1265101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1265101 is about 1124.7670870007. The cubic root of 1265101 is about 108.1537875390.

It can be divided in two parts, 1265 and 101, that multiplied together give a triangular number (127765 = T₅₀₅).

The spelling of 1265101 in words is "one million, two hundred sixty-five thousand, one hundred one".