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1020601 = 7912919
BaseRepresentation
bin11111001001010111001
31220212000001
43321022321
5230124401
633513001
711450341
oct3711271
91825001
101020601
1163787a
12412761
1329970a
141c7d21
15152601
hexf92b9

1020601 has 4 divisors (see below), whose sum is σ = 1033600. Its totient is φ = 1007604.

The previous prime is 1020599. The next prime is 1020619. The reversal of 1020601 is 1060201.

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.

It is a cyclic number.

It is not a de Polignac number, because 1020601 - 21 = 1020599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020631) 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, 6381 + ... + 6538.

It is an arithmetic number, because the mean of its divisors is an integer number (258400).

21020601 is an apocalyptic number.

It is an amenable number.

1020601 is a deficient number, since it is larger than the sum of its proper divisors (12999).

1020601 is an equidigital number, since it uses as much as digits as its factorization.

1020601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12998.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1020601 is about 1010.2479893571. The cubic root of 1020601 is about 100.6820376706.

Adding to 1020601 its reverse (1060201), we get a palindrome (2080802).

The spelling of 1020601 in words is "one million, twenty thousand, six hundred one".

Divisors: 1 79 12919 1020601