1385387124 has 24 divisors (see below), whose sum is σ = 3526440288. Its totient is φ = 419814240.

The previous prime is 1385387123. The next prime is 1385387153. The reversal of 1385387124 is 4217835831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385387123) 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, 5247547 + ... + 5247810.

It is an arithmetic number, because the mean of its divisors is an integer number (146935012).

Almost surely, 2^1385387124 is an apocalyptic number.

It is an amenable number.

1385387124 is an abundant number, since it is smaller than the sum of its proper divisors (2141053164).

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

1385387124 is a wasteful number, since it uses less digits than its factorization.

1385387124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10495375 (or 10495373 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 1385387124 is about 37220.7888685879. The cubic root of 1385387124 is about 1114.7831155973.

The spelling of 1385387124 in words is "one billion, three hundred eighty-five million, three hundred eighty-seven thousand, one hundred twenty-four".