1370231 has 4 divisors (see below), whose sum is σ = 1414464. Its totient is φ = 1326000.

The previous prime is 1370227. The next prime is 1370263. The reversal of 1370231 is 1320731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1370231 - 2² = 1370227 is a prime.

It is a super-2 number, since 2×1370231² = 3755065986722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1370431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22070 + ... + 22131.

It is an arithmetic number, because the mean of its divisors is an integer number (353616).

2^1370231 is an apocalyptic number.

1370231 is a deficient number, since it is larger than the sum of its proper divisors (44233).

1370231 is an equidigital number, since it uses as much as digits as its factorization.

1370231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44232.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 1370231 is about 1170.5686652222. The cubic root of 1370231 is about 111.0702960831.

Adding to 1370231 its reverse (1320731), we get a palindrome (2690962).

The spelling of 1370231 in words is "one million, three hundred seventy thousand, two hundred thirty-one".