1387860003 has 12 divisors (see below), whose sum is σ = 2005174080. Its totient is φ = 925015056.

The previous prime is 1387859999. The next prime is 1387860031. The reversal of 1387860003 is 3000687831.

It is not a de Polignac number, because 1387860003 - 2² = 1387859999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1387860003.

It is not an unprimeable number, because it can be changed into a prime (1387810003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25933 + ... + 58721.

It is an arithmetic number, because the mean of its divisors is an integer number (167097840).

Almost surely, 2^1387860003 is an apocalyptic number.

1387860003 is a deficient number, since it is larger than the sum of its proper divisors (617314077).

1387860003 is a wasteful number, since it uses less digits than its factorization.

1387860003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37498 (or 37495 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1387860003 is about 37253.9931148327. The cubic root of 1387860003 is about 1115.4460073640.

The spelling of 1387860003 in words is "one billion, three hundred eighty-seven million, eight hundred sixty thousand, three".