1200342025 has 6 divisors (see below), whose sum is σ = 1488424142. Its totient is φ = 960273600.

The previous prime is 1200342023. The next prime is 1200342029. The reversal of 1200342025 is 5202430021.

It can be written as a sum of positive squares in 3 ways, for example, as 57699216 + 1142642809 = 7596^2 + 33803^2 .

It is not a de Polignac number, because 1200342025 - 2¹ = 1200342023 is a prime.

It is a super-2 number, since 2×1200342025² = 2881641953962201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200341993 and 1200342011.

It is not an unprimeable number, because it can be changed into a prime (1200342023) 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 5 ways as a sum of consecutive naturals, for example, 24006816 + ... + 24006865.

Almost surely, 2^1200342025 is an apocalyptic number.

It is an amenable number.

1200342025 is a deficient number, since it is larger than the sum of its proper divisors (288082117).

1200342025 is an equidigital number, since it uses as much as digits as its factorization.

1200342025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48013691 (or 48013686 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1200342025 is about 34645.9525053072. The cubic root of 1200342025 is about 1062.7595195359.

Adding to 1200342025 its reverse (5202430021), we get a palindrome (6402772046).

The spelling of 1200342025 in words is "one billion, two hundred million, three hundred forty-two thousand, twenty-five".