1387237107 has 8 divisors (see below), whose sum is σ = 1854480384. Its totient is φ = 922409288.

The previous prime is 1387237099. The next prime is 1387237153. The reversal of 1387237107 is 7017327831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1387237107 - 2³ = 1387237099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1387237307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602523 + ... + 604820.

It is an arithmetic number, because the mean of its divisors is an integer number (231810048).

Almost surely, 2^1387237107 is an apocalyptic number.

1387237107 is a deficient number, since it is larger than the sum of its proper divisors (467243277).

1387237107 is a wasteful number, since it uses less digits than its factorization.

1387237107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207729.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 1387237107 is about 37245.6320526314. The cubic root of 1387237107 is about 1115.2791051241.

The spelling of 1387237107 in words is "one billion, three hundred eighty-seven million, two hundred thirty-seven thousand, one hundred seven".