1200728411 has 16 divisors (see below), whose sum is σ = 1320468480. Its totient is φ = 1087263360.

The previous prime is 1200728407. The next prime is 1200728429. The reversal of 1200728411 is 1148270021.

It is a cyclic number.

It is not a de Polignac number, because 1200728411 - 2² = 1200728407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200728461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34406 + ... + 59876.

It is an arithmetic number, because the mean of its divisors is an integer number (82529280).

Almost surely, 2^1200728411 is an apocalyptic number.

1200728411 is a deficient number, since it is larger than the sum of its proper divisors (119740069).

1200728411 is a wasteful number, since it uses less digits than its factorization.

1200728411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25594.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1200728411 is about 34651.5282635557. The cubic root of 1200728411 is about 1062.8735401895.

Adding to 1200728411 its reverse (1148270021), we get a palindrome (2348998432).

The spelling of 1200728411 in words is "one billion, two hundred million, seven hundred twenty-eight thousand, four hundred eleven".