1202123 has 8 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 1096128.

The previous prime is 1202107. The next prime is 1202129. The reversal of 1202123 is 3212021.

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 1202123 - 2⁴ = 1202107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202129) 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, 638 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^1202123 is an apocalyptic number.

1202123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1202123 is a deficient number, since it is larger than the sum of its proper divisors (108277).

1202123 is a wasteful number, since it uses less digits than its factorization.

1202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1202123 is about 1096.4136992942. The cubic root of 1202123 is about 106.3284873355.

Adding to 1202123 its reverse (3212021), we get a palindrome (4414144).

The spelling of 1202123 in words is "one million, two hundred two thousand, one hundred twenty-three".