1379145 has 8 divisors (see below), whose sum is σ = 2206656. Its totient is φ = 735536.

The previous prime is 1379141. The next prime is 1379167. The reversal of 1379145 is 5419731.

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

It is a cyclic number.

It is not a de Polignac number, because 1379145 - 2² = 1379141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1379141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45957 + ... + 45986.

It is an arithmetic number, because the mean of its divisors is an integer number (275832).

2^1379145 is an apocalyptic number.

1379145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1379145 is a deficient number, since it is larger than the sum of its proper divisors (827511).

1379145 is an equidigital number, since it uses as much as digits as its factorization.

1379145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91951.

The product of its digits is 3780, while the sum is 30.

The square root of 1379145 is about 1174.3700438959. The cubic root of 1379145 is about 111.3106305874.

The spelling of 1379145 in words is "one million, three hundred seventy-nine thousand, one hundred forty-five".