1375630 has 16 divisors (see below), whose sum is σ = 2584224. Its totient is φ = 526240.

The previous prime is 1375609. The next prime is 1375637. The reversal of 1375630 is 365731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1375595 and 1375604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (161514).

2^1375630 is an apocalyptic number.

1375630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375630 is a deficient number, since it is larger than the sum of its proper divisors (1208594).

1375630 is a wasteful number, since it uses less digits than its factorization.

1375630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 1375630 is about 1172.8725420948. The cubic root of 1375630 is about 111.2159850560.

The spelling of 1375630 in words is "one million, three hundred seventy-five thousand, six hundred thirty".