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121121293 is a prime number
BaseRepresentation
bin1110011100000…
…10101000001101
322102220121011211
413032002220031
5222001340133
620004014421
73000341206
oct716025015
9272817154
10121121293
1162408247
1234691411
131c12a407
141212c5ad
15a977bcd
hex7382a0d

121121293 has 2 divisors, whose sum is σ = 121121294. Its totient is φ = 121121292.

The previous prime is 121121269. The next prime is 121121317. The reversal of 121121293 is 392121121.

It is a balanced prime because it is at equal distance from previous prime (121121269) and next prime (121121317).

It can be written as a sum of positive squares in only one way, i.e., 101646724 + 19474569 = 10082^2 + 4413^2 .

It is a cyclic number.

It is not a de Polignac number, because 121121293 - 29 = 121120781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121121213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560646 + 60560647.

It is an arithmetic number, because the mean of its divisors is an integer number (60560647).

Almost surely, 2121121293 is an apocalyptic number.

It is an amenable number.

121121293 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121293 is an equidigital number, since it uses as much as digits as its factorization.

121121293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 22.

The square root of 121121293 is about 11005.5119372067. The cubic root of 121121293 is about 494.7739579437.

It can be divided in two parts, 121121 and 293, that multiplied together give a palindrome (35488453).

The spelling of 121121293 in words is "one hundred twenty-one million, one hundred twenty-one thousand, two hundred ninety-three".