1245104112 has 60 divisors (see below), whose sum is σ = 3741671976. Its totient is φ = 355743360.

The previous prime is 1245104099. The next prime is 1245104137. The reversal of 1245104112 is 2114015421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262339 + ... + 267042.

Almost surely, 2^1245104112 is an apocalyptic number.

1245104112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245104112 is an abundant number, since it is smaller than the sum of its proper divisors (2496567864).

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

1245104112 is a wasteful number, since it uses less digits than its factorization.

1245104112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529406 (or 529393 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1245104112 is about 35286.0328175328. The cubic root of 1245104112 is about 1075.8091220860.

Adding to 1245104112 its reverse (2114015421), we get a palindrome (3359119533).

The spelling of 1245104112 in words is "one billion, two hundred forty-five million, one hundred four thousand, one hundred twelve".