1282141249 has 9 divisors (see below), whose sum is σ = 1305728931. Its totient is φ = 1258974120.

The previous prime is 1282141229. The next prime is 1282141253. The reversal of 1282141249 is 9421412821.

It is a happy number.

The square root of 1282141249 is 35807.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 41692849 + 1240448400 = 6457^2 + 35220^2 .

It is not a de Polignac number, because 1282141249 - 2¹³ = 1282133057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1282141229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2183934 + ... + 2184520.

Almost surely, 2^1282141249 is an apocalyptic number.

1282141249 is the 35807-th square number.

1282141249 is the 17904-th centered octagonal number.

It is an amenable number.

1282141249 is a deficient number, since it is larger than the sum of its proper divisors (23587682).

1282141249 is an frugal number, since it uses more digits than its factorization.

1282141249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 648 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The cubic root of 1282141249 is about 1086.3721514307.

Multiplying 1282141249 by its product of digits (9216), we get a square (11816213750784 = 3437472²).

The spelling of 1282141249 in words is "one billion, two hundred eighty-two million, one hundred forty-one thousand, two hundred forty-nine".