1200213053 has 8 divisors (see below), whose sum is σ = 1337107800. Its totient is φ = 1069685568.

The previous prime is 1200213043. The next prime is 1200213083. The reversal of 1200213053 is 3503120021.

It can be written as a sum of positive squares in 4 ways, for example, as 209033764 + 991179289 = 14458^2 + 31483^2 .

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 1200213053 - 2⁶ = 1200212989 is a prime.

It is a super-2 number, since 2×1200213053² = 2881022745183161618, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200213013) 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, 1591418 + ... + 1592171.

It is an arithmetic number, because the mean of its divisors is an integer number (167138475).

Almost surely, 2^1200213053 is an apocalyptic number.

1200213053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1200213053 is a deficient number, since it is larger than the sum of its proper divisors (136894747).

1200213053 is a wasteful number, since it uses less digits than its factorization.

1200213053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183631.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1200213053 is about 34644.0911700682. The cubic root of 1200213053 is about 1062.7214550711.

Adding to 1200213053 its reverse (3503120021), we get a palindrome (4703333074).

The spelling of 1200213053 in words is "one billion, two hundred million, two hundred thirteen thousand, fifty-three".