Search a number
-
+
1170961 = 11106451
BaseRepresentation
bin100011101111000010001
32012111020221
410131320101
5244432321
641033041
712644611
oct4357021
92174227
101170961
1172a840
12485781
1331cc9c
14226a41
15181e41
hex11de11

1170961 has 4 divisors (see below), whose sum is σ = 1277424. Its totient is φ = 1064500.

The previous prime is 1170947. The next prime is 1170971. The reversal of 1170961 is 1690711.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1690711 = 11153701.

It is a cyclic number.

It is not a de Polignac number, because 1170961 - 27 = 1170833 is a prime.

It is a super-2 number, since 2×11709612 = 2742299327042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1170941) 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, 53215 + ... + 53236.

It is an arithmetic number, because the mean of its divisors is an integer number (319356).

21170961 is an apocalyptic number.

1170961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1170961 is a deficient number, since it is larger than the sum of its proper divisors (106463).

1170961 is a wasteful number, since it uses less digits than its factorization.

1170961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106462.

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

The square root of 1170961 is about 1082.1095138663. The cubic root of 1170961 is about 105.4016663463.

The spelling of 1170961 in words is "one million, one hundred seventy thousand, nine hundred sixty-one".

Divisors: 1 11 106451 1170961