1178961 has 16 divisors (see below), whose sum is σ = 1855488. Its totient is φ = 651600.

The previous prime is 1178959. The next prime is 1178963. The reversal of 1178961 is 1698711.

It is an interprime number because it is at equal distance from previous prime (1178959) and next prime (1178963).

It is not a de Polignac number, because 1178961 - 2¹ = 1178959 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1178963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255 + ... + 1556.

It is an arithmetic number, because the mean of its divisors is an integer number (115968).

2^1178961 is an apocalyptic number.

It is an amenable number.

1178961 is a deficient number, since it is larger than the sum of its proper divisors (676527).

1178961 is a wasteful number, since it uses less digits than its factorization.

1178961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852.

The product of its digits is 3024, while the sum is 33.

The square root of 1178961 is about 1085.7997052864. The cubic root of 1178961 is about 105.6411563349.

The spelling of 1178961 in words is "one million, one hundred seventy-eight thousand, nine hundred sixty-one".