1200225513 has 8 divisors (see below), whose sum is σ = 1639332576. Its totient is φ = 780634400.

The previous prime is 1200225479. The next prime is 1200225541. The reversal of 1200225513 is 3155220021.

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 1200225513 - 2¹³ = 1200217321 is a prime.

It is a super-2 number, since 2×1200225513² = 2881082564112226338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200225513.

It is not an unprimeable number, because it can be changed into a prime (1200225553) 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, 4878843 + ... + 4879088.

It is an arithmetic number, because the mean of its divisors is an integer number (204916572).

Almost surely, 2^1200225513 is an apocalyptic number.

It is an amenable number.

1200225513 is a deficient number, since it is larger than the sum of its proper divisors (439107063).

1200225513 is an equidigital number, since it uses as much as digits as its factorization.

1200225513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757975.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1200225513 is about 34644.2709982473. The cubic root of 1200225513 is about 1062.7251326025.

Adding to 1200225513 its reverse (3155220021), we get a palindrome (4355445534).

The spelling of 1200225513 in words is "one billion, two hundred million, two hundred twenty-five thousand, five hundred thirteen".