1385372120 has 32 divisors (see below), whose sum is σ = 3400459920. Its totient is φ = 503771520.

The previous prime is 1385372119. The next prime is 1385372129. The reversal of 1385372120 is 212735831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385372129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573847 + ... + 1574726.

Almost surely, 2^1385372120 is an apocalyptic number.

1385372120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1385372120 is an abundant number, since it is smaller than the sum of its proper divisors (2015087800).

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

1385372120 is a wasteful number, since it uses less digits than its factorization.

1385372120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148595 (or 3148591 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1385372120 is about 37220.5873140121. The cubic root of 1385372120 is about 1114.7790911466.

The spelling of 1385372120 in words is "one billion, three hundred eighty-five million, three hundred seventy-two thousand, one hundred twenty".