1191948 has 24 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 391440.

The previous prime is 1191947. The next prime is 1191973. The reversal of 1191948 is 8491911.

It is not an unprimeable number, because it can be changed into a prime (1191941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (117600).

2^1191948 is an apocalyptic number.

It is an amenable number.

1191948 is an abundant number, since it is smaller than the sum of its proper divisors (1630452).

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

1191948 is a wasteful number, since it uses less digits than its factorization.

1191948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1475 counting only the distinct ones).

The product of its digits is 2592, while the sum is 33.

The square root of 1191948 is about 1091.7637106993. The cubic root of 1191948 is about 106.0276420138.

The spelling of 1191948 in words is "one million, one hundred ninety-one thousand, nine hundred forty-eight".