1202553 has 16 divisors (see below), whose sum is σ = 1944000. Its totient is φ = 728640.

The previous prime is 1202549. The next prime is 1202561. The reversal of 1202553 is 3552021.

It is a happy number.

It is not a de Polignac number, because 1202553 - 2² = 1202549 is a prime.

It is a super-2 number, since 2×1202553² = 2892267435618, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1202153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1728 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (121500).

2^1202553 is an apocalyptic number.

It is an amenable number.

1202553 is a deficient number, since it is larger than the sum of its proper divisors (741447).

1202553 is a wasteful number, since it uses less digits than its factorization.

1202553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069 (or 4063 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1202553 is about 1096.6097756267. The cubic root of 1202553 is about 106.3411637419.

Adding to 1202553 its reverse (3552021), we get a palindrome (4754574).

The spelling of 1202553 in words is "one million, two hundred two thousand, five hundred fifty-three".