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1241294121 = 32137921569
BaseRepresentation
bin100100111111100…
…1010010100101001
310012111201021102100
41021333022110221
510020232402441
6323101124013
742521553204
oct11177122451
93174637370
101241294121
11587750711
122a7859609
1316a222082
14babdc93b
1573e95cb6
hex49fca529

1241294121 has 6 divisors (see below), whose sum is σ = 1792980410. Its totient is φ = 827529408.

The previous prime is 1241294113. The next prime is 1241294123. The reversal of 1241294121 is 1214921421.

It is a happy number.

1241294121 is a `hidden beast` number, since 1 + 241 + 2 + 9 + 412 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1052094096 + 189200025 = 32436^2 + 13755^2 .

It is not a de Polignac number, because 1241294121 - 23 = 1241294113 is a prime.

It is a super-2 number, since 2×12412941212 = 3081622189658325282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241294123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68960776 + ... + 68960793.

Almost surely, 21241294121 is an apocalyptic number.

It is an amenable number.

1241294121 is a deficient number, since it is larger than the sum of its proper divisors (551686289).

1241294121 is a wasteful number, since it uses less digits than its factorization.

1241294121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137921575 (or 137921572 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1241294121 is about 35232.0042149180. The cubic root of 1241294121 is about 1074.7106835634.

The spelling of 1241294121 in words is "one billion, two hundred forty-one million, two hundred ninety-four thousand, one hundred twenty-one".

Divisors: 1 3 9 137921569 413764707 1241294121