1378054 has 8 divisors (see below), whose sum is σ = 2188728. Its totient is φ = 648480.

The previous prime is 1378033. The next prime is 1378057. The reversal of 1378054 is 4508731.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20232 + ... + 20299.

It is an arithmetic number, because the mean of its divisors is an integer number (273591).

2^1378054 is an apocalyptic number.

1378054 is a deficient number, since it is larger than the sum of its proper divisors (810674).

1378054 is a wasteful number, since it uses less digits than its factorization.

1378054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40550.

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

The square root of 1378054 is about 1173.9054476405. The cubic root of 1378054 is about 111.2812713505.

The spelling of 1378054 in words is "one million, three hundred seventy-eight thousand, fifty-four".