1245025104 has 20 divisors (see below), whose sum is σ = 3216314976. Its totient is φ = 415008352.

The previous prime is 1245025091. The next prime is 1245025109. The reversal of 1245025104 is 4015205421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245025109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12968964 + ... + 12969059.

Almost surely, 2^1245025104 is an apocalyptic number.

It is an amenable number.

1245025104 is an abundant number, since it is smaller than the sum of its proper divisors (1971289872).

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

1245025104 is a wasteful number, since it uses less digits than its factorization.

1245025104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25938034 (or 25938028 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1245025104 is about 35284.9132633198. The cubic root of 1245025104 is about 1075.7863664722.

The spelling of 1245025104 in words is "one billion, two hundred forty-five million, twenty-five thousand, one hundred four".