1082478249 has 28 divisors (see below), whose sum is σ = 1627000452. Its totient is φ = 719863200.

The previous prime is 1082478167. The next prime is 1082478263. The reversal of 1082478249 is 9428742801.

It can be written as a sum of positive squares in 2 ways, for example, as 597069225 + 485409024 = 24435^2 + 22032^2 .

It is not a de Polignac number, because 1082478249 - 2⁷ = 1082478121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082478289) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 334459 + ... + 337679.

It is an arithmetic number, because the mean of its divisors is an integer number (58107159).

Almost surely, 2^1082478249 is an apocalyptic number.

It is an amenable number.

1082478249 is a deficient number, since it is larger than the sum of its proper divisors (544522203).

1082478249 is an frugal number, since it uses more digits than its factorization.

1082478249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1082478249 is about 32901.0372024956. The cubic root of 1082478249 is about 1026.7697363188.

The spelling of 1082478249 in words is "one billion, eighty-two million, four hundred seventy-eight thousand, two hundred forty-nine".