1285060272 has 40 divisors (see below), whose sum is σ = 3322696560. Its totient is φ = 427971840.

The previous prime is 1285060247. The next prime is 1285060291. The reversal of 1285060272 is 2720605821.

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, 45354 + ... + 68022.

It is an arithmetic number, because the mean of its divisors is an integer number (83067414).

Almost surely, 2^1285060272 is an apocalyptic number.

1285060272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1285060272 is an abundant number, since it is smaller than the sum of its proper divisors (2037636288).

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

1285060272 is a wasteful number, since it uses less digits than its factorization.

1285060272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23861 (or 23855 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1285060272 is about 35847.7373344539. The cubic root of 1285060272 is about 1087.1959664821.

The spelling of 1285060272 in words is "one billion, two hundred eighty-five million, sixty thousand, two hundred seventy-two".