1199772 has 90 divisors (see below), whose sum is σ = 3747128. Its totient is φ = 327888.

The previous prime is 1199767. The next prime is 1199777. The reversal of 1199772 is 2779911.

It is an interprime number because it is at equal distance from previous prime (1199767) and next prime (1199777).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199777) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 52153 + ... + 52175.

2^1199772 is an apocalyptic number.

1199772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1873564).

1199772 is an abundant number, since it is smaller than the sum of its proper divisors (2547356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1199772 is a wasteful number, since it uses less digits than its factorization.

1199772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 35 counting only the distinct ones).

The product of its digits is 7938, while the sum is 36.

The square root of 1199772 is about 1095.3410427807. The cubic root of 1199772 is about 106.2591263210.

The spelling of 1199772 in words is "one million, one hundred ninety-nine thousand, seven hundred seventy-two".