1200749 has 4 divisors (see below), whose sum is σ = 1309920. Its totient is φ = 1091580.

The previous prime is 1200739. The next prime is 1200751. The reversal of 1200749 is 9470021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9470021 = 11 ⋅860911.

It is a cyclic number.

It is not a de Polignac number, because 1200749 - 2¹² = 1196653 is a prime.

It is a super-2 number, since 2×1200749² = 2883596322002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54569 + ... + 54590.

It is an arithmetic number, because the mean of its divisors is an integer number (327480).

2^1200749 is an apocalyptic number.

It is an amenable number.

1200749 is a deficient number, since it is larger than the sum of its proper divisors (109171).

1200749 is a wasteful number, since it uses less digits than its factorization.

1200749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109170.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1200749 is about 1095.7869318440. The cubic root of 1200749 is about 106.2879615218.

The spelling of 1200749 in words is "one million, two hundred thousand, seven hundred forty-nine".