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3124121 = 711133121
BaseRepresentation
bin1011111010101110011001
312212201111012
423322232121
51244432441
6150543305
735361140
oct13725631
95781435
103124121
111844220
121067b35
13854cc0
145b4757
1541a9eb
hex2fab99

3124121 has 16 divisors (see below), whose sum is σ = 4195968. Its totient is φ = 2246400.

The previous prime is 3124117. The next prime is 3124123. The reversal of 3124121 is 1214213.

It is not a de Polignac number, because 3124121 - 22 = 3124117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3124096 and 3124105.

It is not an unprimeable number, because it can be changed into a prime (3124123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560 + ... + 2561.

It is an arithmetic number, because the mean of its divisors is an integer number (262248).

Almost surely, 23124121 is an apocalyptic number.

It is an amenable number.

3124121 is a deficient number, since it is larger than the sum of its proper divisors (1071847).

3124121 is a wasteful number, since it uses less digits than its factorization.

3124121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152.

The product of its digits is 48, while the sum is 14.

The square root of 3124121 is about 1767.5183167368. The cubic root of 3124121 is about 146.1871778300.

Adding to 3124121 its reverse (1214213), we get a palindrome (4338334).

The spelling of 3124121 in words is "three million, one hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 7 11 13 77 91 143 1001 3121 21847 34331 40573 240317 284011 446303 3124121