1285342104 has 32 divisors (see below), whose sum is σ = 3216870000. Its totient is φ = 427978752.

The previous prime is 1285342073. The next prime is 1285342129. The reversal of 1285342104 is 4012435821.

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, 6529 + ... + 51120.

Almost surely, 2^1285342104 is an apocalyptic number.

It is an amenable number.

1285342104 is an abundant number, since it is smaller than the sum of its proper divisors (1931527896).

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

1285342104 is a wasteful number, since it uses less digits than its factorization.

1285342104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58587 (or 58583 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1285342104 is about 35851.6680783475. The cubic root of 1285342104 is about 1087.2754398534.

Adding to 1285342104 its reverse (4012435821), we get a palindrome (5297777925).

The spelling of 1285342104 in words is "one billion, two hundred eighty-five million, three hundred forty-two thousand, one hundred four".