1082799261 has 12 divisors (see below), whose sum is σ = 1587388192. Its totient is φ = 711091656.

The previous prime is 1082799259. The next prime is 1082799293. The reversal of 1082799261 is 1629972801.

It is not a de Polignac number, because 1082799261 - 2¹ = 1082799259 is a prime.

It is a super-2 number, since 2×1082799261² = 2344908479244292242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082799251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897241 + ... + 898446.

Almost surely, 2^1082799261 is an apocalyptic number.

It is an amenable number.

1082799261 is a deficient number, since it is larger than the sum of its proper divisors (504588931).

1082799261 is a wasteful number, since it uses less digits than its factorization.

1082799261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795760 (or 1795757 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1082799261 is about 32905.9152888960. The cubic root of 1082799261 is about 1026.8712234481.

The spelling of 1082799261 in words is "one billion, eighty-two million, seven hundred ninety-nine thousand, two hundred sixty-one".