1017961 has 4 divisors (see below), whose sum is σ = 1163392. Its totient is φ = 872532.

The previous prime is 1017959. The next prime is 1017997. The reversal of 1017961 is 1697101.

1017961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1017961 - 2¹ = 1017959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1017061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72705 + ... + 72718.

It is an arithmetic number, because the mean of its divisors is an integer number (290848).

2^1017961 is an apocalyptic number.

It is an amenable number.

1017961 is a deficient number, since it is larger than the sum of its proper divisors (145431).

1017961 is an equidigital number, since it uses as much as digits as its factorization.

1017961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145430.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1017961 is about 1008.9405334310. The cubic root of 1017961 is about 100.5951509269.

It can be divided in two parts, 10 and 17961, that added together give a palindrome (17971).

The spelling of 1017961 in words is "one million, seventeen thousand, nine hundred sixty-one".