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2124061 = 11318797
BaseRepresentation
bin1000000110100100011101
310222220122221
420012210131
51020432221
6113305341
724024412
oct10064435
93886587
102124061
111220925
12865251
13594a54
143d4109
152be541
hex20691d

2124061 has 4 divisors (see below), whose sum is σ = 2142972. Its totient is φ = 2105152.

The previous prime is 2124049. The next prime is 2124127. The reversal of 2124061 is 1604212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 755161 + 1368900 = 869^2 + 1170^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124061 - 211 = 2122013 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 (2124011) 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, 9286 + ... + 9511.

It is an arithmetic number, because the mean of its divisors is an integer number (535743).

22124061 is an apocalyptic number.

It is an amenable number.

2124061 is a deficient number, since it is larger than the sum of its proper divisors (18911).

2124061 is a wasteful number, since it uses less digits than its factorization.

2124061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18910.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2124061 is about 1457.4158637808. The cubic root of 2124061 is about 128.5451400103.

Adding to 2124061 its reverse (1604212), we get a palindrome (3728273).

The spelling of 2124061 in words is "two million, one hundred twenty-four thousand, sixty-one".

Divisors: 1 113 18797 2124061