1387058 has 4 divisors (see below), whose sum is σ = 2080590. Its totient is φ = 693528.

The previous prime is 1387039. The next prime is 1387069. The reversal of 1387058 is 8507831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1087849 + 299209 = 1043^2 + 547^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346763 + ... + 346766.

2^1387058 is an apocalyptic number.

1387058 is a deficient number, since it is larger than the sum of its proper divisors (693532).

1387058 is an equidigital number, since it uses as much as digits as its factorization.

1387058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693531.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1387058 is about 1177.7342654436. The cubic root of 1387058 is about 111.5231104944.

The spelling of 1387058 in words is "one million, three hundred eighty-seven thousand, fifty-eight".