1285061262 has 16 divisors (see below), whose sum is σ = 2571158352. Its totient is φ = 428181120.

The previous prime is 1285061249. The next prime is 1285061287. The reversal of 1285061262 is 2621605821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26539 + ... + 57222.

It is an arithmetic number, because the mean of its divisors is an integer number (160697397).

Almost surely, 2^1285061262 is an apocalyptic number.

1285061262 is an abundant number, since it is smaller than the sum of its proper divisors (1286097090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1285061262 is a wasteful number, since it uses less digits than its factorization.

1285061262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86323.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1285061262 is about 35847.7511428541. The cubic root of 1285061262 is about 1087.1962456710.

The spelling of 1285061262 in words is "one billion, two hundred eighty-five million, sixty-one thousand, two hundred sixty-two".