Search a number
-
+
1020097 = 13131599
BaseRepresentation
bin11111001000011000001
31220211022101
43321003001
5230120342
633510401
711446021
oct3710301
91824271
101020097
11637461
12412401
13299410
141c7a81
151523b7
hexf90c1

1020097 has 8 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 932880.

The previous prime is 1020079. The next prime is 1020101. The reversal of 1020097 is 7900201.

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

It is a de Polignac number, because none of the positive numbers 2k-1020097 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (138600).

21020097 is an apocalyptic number.

It is an amenable number.

1020097 is a deficient number, since it is larger than the sum of its proper divisors (88703).

1020097 is a wasteful number, since it uses less digits than its factorization.

1020097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1020097 is about 1009.9985148504. The cubic root of 1020097 is about 100.6654617831.

Adding to 1020097 its reverse (7900201), we get a palindrome (8920298).

The spelling of 1020097 in words is "one million, twenty thousand, ninety-seven".

Divisors: 1 13 131 599 1703 7787 78469 1020097