1280424570 has 16 divisors (see below), whose sum is σ = 3073019040. Its totient is φ = 341446544.

The previous prime is 1280424539. The next prime is 1280424637. The reversal of 1280424570 is 754240821.

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, 21340380 + ... + 21340439.

It is an arithmetic number, because the mean of its divisors is an integer number (192063690).

Almost surely, 2^1280424570 is an apocalyptic number.

1280424570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1280424570 is an abundant number, since it is smaller than the sum of its proper divisors (1792594470).

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

1280424570 is a wasteful number, since it uses less digits than its factorization.

1280424570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42680829.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 1280424570 is about 35783.0206941784. The cubic root of 1280424570 is about 1085.8870813139.

The spelling of 1280424570 in words is "one billion, two hundred eighty million, four hundred twenty-four thousand, five hundred seventy".