Search a number
1297112 = 23295591
BaseRepresentation
bin100111100101011011000
32102220022012
410330223120
5313001422
643445052
714011445
oct4745330
92386265
101297112
118065a3
12526788
1336552b
1425a9cc
151a94e2

1297112 has 16 divisors (see below), whose sum is σ = 2516400. Its totient is φ = 626080.

The previous prime is 1297103. The next prime is 1297123. The reversal of 1297112 is 2117921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564 + ... + 3027.

It is an arithmetic number, because the mean of its divisors is an integer number (157275).

21297112 is an apocalyptic number.

It is an amenable number.

1297112 is a deficient number, since it is larger than the sum of its proper divisors (1219288).

1297112 is a wasteful number, since it uses less digits than its factorization.

1297112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626 (or 5622 counting only the distinct ones).

The product of its digits is 252, while the sum is 23.

The square root of 1297112 is about 1138.9082491579. The cubic root of 1297112 is about 109.0584093424.

The spelling of 1297112 in words is "one million, two hundred ninety-seven thousand, one hundred twelve".