1200949 has 2 divisors, whose sum is σ = 1200950. Its totient is φ = 1200948.

The previous prime is 1200943. The next prime is 1200959. The reversal of 1200949 is 9490021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819025 + 381924 = 905^2 + 618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200949 - 2⁵ = 1200917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600474 + 600475.

It is an arithmetic number, because the mean of its divisors is an integer number (600475).

2^1200949 is an apocalyptic number.

It is an amenable number.

1200949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200949 is an equidigital number, since it uses as much as digits as its factorization.

1200949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1200949 is about 1095.8781866613. The cubic root of 1200949 is about 106.2938623976.

The spelling of 1200949 in words is "one million, two hundred thousand, nine hundred forty-nine".