1282241971 has 2 divisors, whose sum is σ = 1282241972. Its totient is φ = 1282241970.

The previous prime is 1282241963. The next prime is 1282241981. The reversal of 1282241971 is 1791422821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1282241971 - 2³ = 1282241963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1282241971.

It is not a weakly prime, because it can be changed into another prime (1282241941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641120985 + 641120986.

It is an arithmetic number, because the mean of its divisors is an integer number (641120986).

Almost surely, 2^1282241971 is an apocalyptic number.

1282241971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282241971 is an equidigital number, since it uses as much as digits as its factorization.

1282241971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 1282241971 is about 35808.4064292171. The cubic root of 1282241971 is about 1086.4005982992.

It can be divided in two parts, 1282 and 241971, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 1282241971 in words is "one billion, two hundred eighty-two million, two hundred forty-one thousand, nine hundred seventy-one".