1380872025 has 72 divisors (see below), whose sum is σ = 2803848320. Its totient is φ = 644008320.

The previous prime is 1380872023. The next prime is 1380872041. The reversal of 1380872025 is 5202780831.

It is not a de Polignac number, because 1380872025 - 2¹ = 1380872023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380872023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 43152 + ... + 67998.

Almost surely, 2^1380872025 is an apocalyptic number.

1380872025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1380872025 is an abundant number, since it is smaller than the sum of its proper divisors (1422976295).

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

1380872025 is a wasteful number, since it uses less digits than its factorization.

1380872025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24895 (or 24887 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1380872025 is about 37160.0864503838. The cubic root of 1380872025 is about 1113.5707386821.

The spelling of 1380872025 in words is "one billion, three hundred eighty million, eight hundred seventy-two thousand, twenty-five".