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121024261 is a prime number
BaseRepresentation
bin1110011011010…
…10111100000101
322102201200002001
413031222330011
5221440234021
620001545301
72666455261
oct715527405
9272650061
10121024261
1162351356
1234645231
131c0c51b7
14121050a1
15a959091
hex736af05

121024261 has 2 divisors, whose sum is σ = 121024262. Its totient is φ = 121024260.

The previous prime is 121024223. The next prime is 121024271. The reversal of 121024261 is 162420121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80892036 + 40132225 = 8994^2 + 6335^2 .

It is a cyclic number.

It is not a de Polignac number, because 121024261 - 27 = 121024133 is a prime.

It is a super-2 number, since 2×1210242612 = 29293743501192242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121024271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60512130 + 60512131.

It is an arithmetic number, because the mean of its divisors is an integer number (60512131).

Almost surely, 2121024261 is an apocalyptic number.

It is an amenable number.

121024261 is a deficient number, since it is larger than the sum of its proper divisors (1).

121024261 is an equidigital number, since it uses as much as digits as its factorization.

121024261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 121024261 is about 11001.1027174552. The cubic root of 121024261 is about 494.6417991481.

Adding to 121024261 its reverse (162420121), we get a palindrome (283444382).

The spelling of 121024261 in words is "one hundred twenty-one million, twenty-four thousand, two hundred sixty-one".