1285060425 has 24 divisors (see below), whose sum is σ = 2317783200. Its totient is φ = 623059200.

The previous prime is 1285060369. The next prime is 1285060451. The reversal of 1285060425 is 5240605821.

It is not a de Polignac number, because 1285060425 - 2¹⁰ = 1285059401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778000 + ... + 779649.

It is an arithmetic number, because the mean of its divisors is an integer number (96574300).

Almost surely, 2^1285060425 is an apocalyptic number.

1285060425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1285060425 is a deficient number, since it is larger than the sum of its proper divisors (1032722775).

1285060425 is a wasteful number, since it uses less digits than its factorization.

1285060425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557673 (or 1557668 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 1285060425 is about 35847.7394684797. The cubic root of 1285060425 is about 1087.1960096295.

The spelling of 1285060425 in words is "one billion, two hundred eighty-five million, sixty thousand, four hundred twenty-five".