1156493 has 8 divisors (see below), whose sum is σ = 1318968. Its totient is φ = 1004544.

The previous prime is 1156483. The next prime is 1156501. The reversal of 1156493 is 3946511.

It can be written as a sum of positive squares in 4 ways, for example, as 413449 + 743044 = 643^2 + 862^2 .

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 1156493 - 2⁶ = 1156429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156403) 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, 2396 + ... + 2837.

It is an arithmetic number, because the mean of its divisors is an integer number (164871).

2^1156493 is an apocalyptic number.

1156493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1156493 is a deficient number, since it is larger than the sum of its proper divisors (162475).

1156493 is a wasteful number, since it uses less digits than its factorization.

1156493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263.

The product of its digits is 3240, while the sum is 29.

The square root of 1156493 is about 1075.4036451491. The cubic root of 1156493 is about 104.9657635924.

The spelling of 1156493 in words is "one million, one hundred fifty-six thousand, four hundred ninety-three".