1448041261 has 2 divisors, whose sum is σ = 1448041262. Its totient is φ = 1448041260.

The previous prime is 1448041247. The next prime is 1448041267. The reversal of 1448041261 is 1621408441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746109225 + 701932036 = 27315^2 + 26494^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448041261 - 2²¹ = 1445944109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448041267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724020630 + 724020631.

It is an arithmetic number, because the mean of its divisors is an integer number (724020631).

Almost surely, 2^1448041261 is an apocalyptic number.

It is an amenable number.

1448041261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448041261 is an equidigital number, since it uses as much as digits as its factorization.

1448041261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1448041261 is about 38053.1373345221. The cubic root of 1448041261 is about 1131.3413108798.

The spelling of 1448041261 in words is "one billion, four hundred forty-eight million, forty-one thousand, two hundred sixty-one".