1018961 has 6 divisors (see below), whose sum is σ = 1040130. Its totient is φ = 998096.

The previous prime is 1018957. The next prime is 1018967. The reversal of 1018961 is 1698101.

1018961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 732736 + 286225 = 856^2 + 535^2 .

It is not a de Polignac number, because 1018961 - 2² = 1018957 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1018961.

It is not an unprimeable number, because it can be changed into a prime (1018967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9470 + ... + 9576.

It is an arithmetic number, because the mean of its divisors is an integer number (173355).

2^1018961 is an apocalyptic number.

It is an amenable number.

1018961 is a deficient number, since it is larger than the sum of its proper divisors (21169).

1018961 is an frugal number, since it uses more digits than its factorization.

1018961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1018961 is about 1009.4359811301. The cubic root of 1018961 is about 100.6280802267.

The spelling of 1018961 in words is "one million, eighteen thousand, nine hundred sixty-one".