1225200534 has 8 divisors (see below), whose sum is σ = 2450401080. Its totient is φ = 408400176.

The previous prime is 1225200521. The next prime is 1225200539. The reversal of 1225200534 is 4350025221.

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

1225200534 is an admirable number.

It is a super-2 number, since 2×1225200534² = 3002232697027770312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225200539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102100039 + ... + 102100050.

It is an arithmetic number, because the mean of its divisors is an integer number (306300135).

Almost surely, 2^1225200534 is an apocalyptic number.

1225200534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225200534 is a wasteful number, since it uses less digits than its factorization.

1225200534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204200094.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1225200534 is about 35002.8646541965. The cubic root of 1225200534 is about 1070.0458634663.

Adding to 1225200534 its reverse (4350025221), we get a palindrome (5575225755).

The spelling of 1225200534 in words is "one billion, two hundred twenty-five million, two hundred thousand, five hundred thirty-four".