1387054 has 4 divisors (see below), whose sum is σ = 2080584. Its totient is φ = 693526.

The previous prime is 1387039. The next prime is 1387069. The reversal of 1387054 is 4507831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4507831 = 167 ⋅26993.

It is an interprime number because it is at equal distance from previous prime (1387039) and next prime (1387069).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346762 + ... + 346765.

It is an arithmetic number, because the mean of its divisors is an integer number (520146).

2^1387054 is an apocalyptic number.

1387054 is a deficient number, since it is larger than the sum of its proper divisors (693530).

1387054 is an equidigital number, since it uses as much as digits as its factorization.

1387054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693529.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1387054 is about 1177.7325672664. The cubic root of 1387054 is about 111.5230032908.

It can be divided in two parts, 13870 and 54, that added together give a square (13924 = 118²).

The spelling of 1387054 in words is "one million, three hundred eighty-seven thousand, fifty-four".