Search a number
-
+
1297199 = 29411091
BaseRepresentation
bin100111100101100101111
32102220102102
410330230233
5313002244
643445315
714011631
oct4745457
92386372
101297199
11806672
1252683b
13365597
1425aa51
151a954e
hex13cb2f

1297199 has 8 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 1220800.

The previous prime is 1297193. The next prime is 1297201. The reversal of 1297199 is 9917921.

1297199 = 145 + 155.

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

It is a cyclic number.

It is not a de Polignac number, because 1297199 - 216 = 1231663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644 + ... + 1734.

It is an arithmetic number, because the mean of its divisors is an integer number (171990).

21297199 is an apocalyptic number.

1297199 is a deficient number, since it is larger than the sum of its proper divisors (78721).

1297199 is a wasteful number, since it uses less digits than its factorization.

1297199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its digits is 10206, while the sum is 38.

The square root of 1297199 is about 1138.9464429902. The cubic root of 1297199 is about 109.0608475460.

The spelling of 1297199 in words is "one million, two hundred ninety-seven thousand, one hundred ninety-nine".

Divisors: 1 29 41 1091 1189 31639 44731 1297199