1285119 has 16 divisors (see below), whose sum is σ = 2077440. Its totient is φ = 778680.

The previous prime is 1285117. The next prime is 1285129. The reversal of 1285119 is 9115821.

It is not a de Polignac number, because 1285119 - 2¹ = 1285117 is a prime.

It is a super-2 number, since 2×1285119² = 3303061688322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1285092 and 1285101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1867 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (129840).

2^1285119 is an apocalyptic number.

1285119 is a deficient number, since it is larger than the sum of its proper divisors (792321).

1285119 is a wasteful number, since it uses less digits than its factorization.

1285119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347 (or 4341 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1285119 is about 1133.6308923102. The cubic root of 1285119 is about 108.7212528059.

The spelling of 1285119 in words is "one million, two hundred eighty-five thousand, one hundred nineteen".