1380275 has 24 divisors (see below), whose sum is σ = 1916544. Its totient is φ = 979200.

The previous prime is 1380271. The next prime is 1380277. The reversal of 1380275 is 5720831.

It is not a de Polignac number, because 1380275 - 2² = 1380271 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1380271) 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, 10007 + ... + 10143.

It is an arithmetic number, because the mean of its divisors is an integer number (79856).

2^1380275 is an apocalyptic number.

1380275 is a deficient number, since it is larger than the sum of its proper divisors (536269).

1380275 is a wasteful number, since it uses less digits than its factorization.

1380275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1380275 is about 1174.8510543894. The cubic root of 1380275 is about 111.3410230106.

The spelling of 1380275 in words is "one million, three hundred eighty thousand, two hundred seventy-five".