1373123 has 8 divisors (see below), whose sum is σ = 1444608. Its totient is φ = 1302664.

The previous prime is 1373087. The next prime is 1373129. The reversal of 1373123 is 3213731.

It is a happy number.

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 1373123 - 2⁶ = 1373059 is a prime.

It is a super-3 number, since 3×1373123³ = 7766933375757635601, which contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1373095 and 1373104.

It is not an unprimeable number, because it can be changed into a prime (1373129) 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, 5090 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (180576).

2^1373123 is an apocalyptic number.

1373123 is a deficient number, since it is larger than the sum of its proper divisors (71485).

1373123 is a wasteful number, since it uses less digits than its factorization.

1373123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its digits is 378, while the sum is 20.

The square root of 1373123 is about 1171.8033111406. The cubic root of 1373123 is about 111.1483825702.

Adding to 1373123 its reverse (3213731), we get a palindrome (4586854).

The spelling of 1373123 in words is "one million, three hundred seventy-three thousand, one hundred twenty-three".