1181372 has 12 divisors (see below), whose sum is σ = 2157456. Its totient is φ = 564960.

The previous prime is 1181329. The next prime is 1181407. The reversal of 1181372 is 2731811.

It is a happy number.

It is a hoax number, since the sum of its digits (23) 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 (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6329 + ... + 6512.

It is an arithmetic number, because the mean of its divisors is an integer number (179788).

2^1181372 is an apocalyptic number.

It is an amenable number.

1181372 is a deficient number, since it is larger than the sum of its proper divisors (976084).

1181372 is a wasteful number, since it uses less digits than its factorization.

1181372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12868 (or 12866 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 1181372 is about 1086.9093798473. The cubic root of 1181372 is about 105.7131200957.

The spelling of 1181372 in words is "one million, one hundred eighty-one thousand, three hundred seventy-two".