1191402 has 16 divisors (see below), whose sum is σ = 2647680. Its totient is φ = 397116.

The previous prime is 1191373. The next prime is 1191409. The reversal of 1191402 is 2041911.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1191409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10978 + ... + 11085.

It is an arithmetic number, because the mean of its divisors is an integer number (165480).

2^1191402 is an apocalyptic number.

1191402 is an abundant number, since it is smaller than the sum of its proper divisors (1456278).

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

1191402 is a wasteful number, since it uses less digits than its factorization.

1191402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22074 (or 22068 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1191402 is about 1091.5136279497. The cubic root of 1191402 is about 106.0114500507.

It can be divided in two parts, 119 and 1402, that added together give a square (1521 = 39²).

The spelling of 1191402 in words is "one million, one hundred ninety-one thousand, four hundred two".