1387748201 has 16 divisors (see below), whose sum is σ = 1723330560. Its totient is φ = 1090538640.

The previous prime is 1387748189. The next prime is 1387748203. The reversal of 1387748201 is 1028477831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1387748201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1387748203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164171 + ... + 172416.

It is an arithmetic number, because the mean of its divisors is an integer number (107708160).

Almost surely, 2^1387748201 is an apocalyptic number.

It is an amenable number.

1387748201 is a deficient number, since it is larger than the sum of its proper divisors (335582359).

1387748201 is a wasteful number, since it uses less digits than its factorization.

1387748201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336644.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 1387748201 is about 37252.4925474793. The cubic root of 1387748201 is about 1115.4160541883.

The spelling of 1387748201 in words is "one billion, three hundred eighty-seven million, seven hundred forty-eight thousand, two hundred one".