1199972 has 6 divisors (see below), whose sum is σ = 2099958. Its totient is φ = 599984.

The previous prime is 1199969. The next prime is 1199993. The reversal of 1199972 is 2799911.

It can be written as a sum of positive squares in only one way, i.e., 1196836 + 3136 = 1094^2 + 56^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149993 + ... + 150000.

It is an arithmetic number, because the mean of its divisors is an integer number (349993).

2^1199972 is an apocalyptic number.

It is an amenable number.

1199972 is a deficient number, since it is larger than the sum of its proper divisors (899986).

1199972 is a wasteful number, since it uses less digits than its factorization.

1199972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299997 (or 299995 counting only the distinct ones).

The product of its digits is 10206, while the sum is 38.

The square root of 1199972 is about 1095.4323347428. The cubic root of 1199972 is about 106.2650303996.

The spelling of 1199972 in words is "one million, one hundred ninety-nine thousand, nine hundred seventy-two".