1285082741 has 2 divisors, whose sum is σ = 1285082742. Its totient is φ = 1285082740.

The previous prime is 1285082723. The next prime is 1285082759. The reversal of 1285082741 is 1472805821.

It is a balanced prime because it is at equal distance from previous prime (1285082723) and next prime (1285082759).

It can be written as a sum of positive squares in only one way, i.e., 1132659025 + 152423716 = 33655^2 + 12346^2 .

It is a cyclic number.

It is not a de Polignac number, because 1285082741 - 2¹⁰ = 1285081717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1285082695 and 1285082704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1285082441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642541370 + 642541371.

It is an arithmetic number, because the mean of its divisors is an integer number (642541371).

Almost surely, 2^1285082741 is an apocalyptic number.

It is an amenable number.

1285082741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285082741 is an equidigital number, since it uses as much as digits as its factorization.

1285082741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 1285082741 is about 35848.0507280382. The cubic root of 1285082741 is about 1087.2023029070.

The spelling of 1285082741 in words is "one billion, two hundred eighty-five million, eighty-two thousand, seven hundred forty-one".