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1261122 = 23210187
BaseRepresentation
bin100110011111001000010
32101001221020
410303321002
5310323442
643010310
713501512
oct4637102
92331836
101261122
11791555
12509996
13352035
1424b842
1519d9ec
hex133e42

1261122 has 8 divisors (see below), whose sum is σ = 2522256. Its totient is φ = 420372.

The previous prime is 1261121. The next prime is 1261133. The reversal of 1261122 is 2211621.

It is a sphenic number, since it is the product of 3 distinct primes.

1261122 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1261121) 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, 105088 + ... + 105099.

It is an arithmetic number, because the mean of its divisors is an integer number (315282).

21261122 is an apocalyptic number.

1261122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1261122 is a wasteful number, since it uses less digits than its factorization.

1261122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210192.

The product of its digits is 48, while the sum is 15.

The square root of 1261122 is about 1122.9968833438. The cubic root of 1261122 is about 108.0402798998.

Adding to 1261122 its reverse (2211621), we get a palindrome (3472743).

The spelling of 1261122 in words is "one million, two hundred sixty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 210187 420374 630561 1261122