1370121 has 8 divisors (see below), whose sum is σ = 1857024. Its totient is φ = 898320.

The previous prime is 1370113. The next prime is 1370143. The reversal of 1370121 is 1210731.

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

It is not a de Polignac number, because 1370121 - 2³ = 1370113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1370121.

It is not an unprimeable number, because it can be changed into a prime (1370101) 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, 3561 + ... + 3926.

It is an arithmetic number, because the mean of its divisors is an integer number (232128).

2^1370121 is an apocalyptic number.

It is an amenable number.

1370121 is a deficient number, since it is larger than the sum of its proper divisors (486903).

1370121 is an equidigital number, since it uses as much as digits as its factorization.

1370121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7551.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1370121 is about 1170.5216785690. The cubic root of 1370121 is about 111.0673238204.

Adding to 1370121 its reverse (1210731), we get a palindrome (2580852).

The spelling of 1370121 in words is "one million, three hundred seventy thousand, one hundred twenty-one".