1200210849 has 24 divisors (see below), whose sum is σ = 1851283200. Its totient is φ = 747623520.

The previous prime is 1200210839. The next prime is 1200210859. The reversal of 1200210849 is 9480120021.

It is an interprime number because it is at equal distance from previous prime (1200210839) and next prime (1200210859).

It is not a de Polignac number, because 1200210849 - 2⁷ = 1200210721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200210839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66079 + ... + 82260.

It is an arithmetic number, because the mean of its divisors is an integer number (77136800).

Almost surely, 2^1200210849 is an apocalyptic number.

It is an amenable number.

1200210849 is a deficient number, since it is larger than the sum of its proper divisors (651072351).

1200210849 is a wasteful number, since it uses less digits than its factorization.

1200210849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148405 (or 148402 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1200210849 is about 34644.0593608774. The cubic root of 1200210849 is about 1062.7208045645.

The spelling of 1200210849 in words is "one billion, two hundred million, two hundred ten thousand, eight hundred forty-nine".