1185961 has 16 divisors (see below), whose sum is σ = 1471360. Its totient is φ = 933120.

The previous prime is 1185953. The next prime is 1185979. The reversal of 1185961 is 1695811.

It is a 6-Lehmer number, since φ(1185961) divides (1185961-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 1185961 - 2³ = 1185953 is a prime.

1185961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1185931) 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, 4801 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (91960).

2^1185961 is an apocalyptic number.

It is an amenable number.

1185961 is a deficient number, since it is larger than the sum of its proper divisors (285399).

1185961 is a wasteful number, since it uses less digits than its factorization.

1185961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its digits is 2160, while the sum is 31.

The square root of 1185961 is about 1089.0183653181. The cubic root of 1185961 is about 105.8498229348.

The spelling of 1185961 in words is "one million, one hundred eighty-five thousand, nine hundred sixty-one".