1123270 has 8 divisors (see below), whose sum is σ = 2021904. Its totient is φ = 449304.

The previous prime is 1123267. The next prime is 1123279. The reversal of 1123270 is 723211.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123279) 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, 56154 + ... + 56173.

It is an arithmetic number, because the mean of its divisors is an integer number (252738).

2^1123270 is an apocalyptic number.

1123270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123270 is a deficient number, since it is larger than the sum of its proper divisors (898634).

1123270 is a wasteful number, since it uses less digits than its factorization.

1123270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112334.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1123270 is about 1059.8443281916. The cubic root of 1123270 is about 103.9508520240.

Adding to 1123270 its reverse (723211), we get a palindrome (1846481).

It can be divided in two parts, 11 and 23270, that multiplied together give a triangular number (255970 = T₇₁₅).

The spelling of 1123270 in words is "one million, one hundred twenty-three thousand, two hundred seventy".