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1214103197 is a prime number
BaseRepresentation
bin100100001011101…
…1011111010011101
310010121112211111002
41020113123322131
54441302300242
6320250240045
742041464316
oct11027337235
93117484432
101214103197
1157336977a
1229a726025
131646c1878
14b736160d
15718c4432
hex485dbe9d

1214103197 has 2 divisors, whose sum is σ = 1214103198. Its totient is φ = 1214103196.

The previous prime is 1214103169. The next prime is 1214103271. The reversal of 1214103197 is 7913014121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692163481 + 521939716 = 26309^2 + 22846^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214103197 - 220 = 1213054621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214103157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607051598 + 607051599.

It is an arithmetic number, because the mean of its divisors is an integer number (607051599).

Almost surely, 21214103197 is an apocalyptic number.

It is an amenable number.

1214103197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214103197 is an equidigital number, since it uses as much as digits as its factorization.

1214103197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1214103197 is about 34843.9836557188. The cubic root of 1214103197 is about 1066.8053890653.

The spelling of 1214103197 in words is "one billion, two hundred fourteen million, one hundred three thousand, one hundred ninety-seven".