1378053 has 24 divisors (see below), whose sum is σ = 2122848. Its totient is φ = 892944.

The previous prime is 1378033. The next prime is 1378057. The reversal of 1378053 is 3508731.

It is not a de Polignac number, because 1378053 - 2¹³ = 1369861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 12826 + ... + 12932.

It is an arithmetic number, because the mean of its divisors is an integer number (88452).

2^1378053 is an apocalyptic number.

It is an amenable number.

1378053 is a deficient number, since it is larger than the sum of its proper divisors (744795).

1378053 is an equidigital number, since it uses as much as digits as its factorization.

1378053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1378053 is about 1173.9050217117. The cubic root of 1378053 is about 111.2812444330.

The spelling of 1378053 in words is "one million, three hundred seventy-eight thousand, fifty-three".