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121262423 is a prime number
BaseRepresentation
bin1110011101001…
…01000101010111
322110011202202212
413032211011113
5222020344143
620011024035
73001466522
oct716450527
9273152685
10121262423
11624a4287
123473b01b
131c179719
1412167bb9
15a9a4918
hex73a5157

121262423 has 2 divisors, whose sum is σ = 121262424. Its totient is φ = 121262422.

The previous prime is 121262413. The next prime is 121262437. The reversal of 121262423 is 324262121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (324262121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121262423 - 214 = 121246039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121262413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60631211 + 60631212.

It is an arithmetic number, because the mean of its divisors is an integer number (60631212).

Almost surely, 2121262423 is an apocalyptic number.

121262423 is a deficient number, since it is larger than the sum of its proper divisors (1).

121262423 is an equidigital number, since it uses as much as digits as its factorization.

121262423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 121262423 is about 11011.9218576959. The cubic root of 121262423 is about 494.9660528364.

The spelling of 121262423 in words is "one hundred twenty-one million, two hundred sixty-two thousand, four hundred twenty-three".