1200426215 has 8 divisors (see below), whose sum is σ = 1456697520. Its totient is φ = 949550272.

The previous prime is 1200426179. The next prime is 1200426223. The reversal of 1200426215 is 5126240021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200426215 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348349 + ... + 1349238.

It is an arithmetic number, because the mean of its divisors is an integer number (182087190).

Almost surely, 2^1200426215 is an apocalyptic number.

1200426215 is a deficient number, since it is larger than the sum of its proper divisors (256271305).

1200426215 is an equidigital number, since it uses as much as digits as its factorization.

1200426215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697681.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1200426215 is about 34647.1674888439. The cubic root of 1200426215 is about 1062.7843656854.

Adding to 1200426215 its reverse (5126240021), we get a palindrome (6326666236).

The spelling of 1200426215 in words is "one billion, two hundred million, four hundred twenty-six thousand, two hundred fifteen".