1191463 has 8 divisors (see below), whose sum is σ = 1466528. Its totient is φ = 942624.

The previous prime is 1191457. The next prime is 1191481. The reversal of 1191463 is 3641911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1191463 - 2⁵ = 1191431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191163) 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, 6456 + ... + 6637.

It is an arithmetic number, because the mean of its divisors is an integer number (183316).

2^1191463 is an apocalyptic number.

1191463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1191463 is a deficient number, since it is larger than the sum of its proper divisors (275065).

1191463 is a wasteful number, since it uses less digits than its factorization.

1191463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13113.

The product of its digits is 648, while the sum is 25.

The square root of 1191463 is about 1091.5415704406. The cubic root of 1191463 is about 106.0132592883.

The spelling of 1191463 in words is "one million, one hundred ninety-one thousand, four hundred sixty-three".