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1214201437 is a prime number
BaseRepresentation
bin100100001011111…
…0011111001011101
310010121201211020121
41020113303321131
54441313421222
6320252314541
742042353611
oct11027637135
93117654217
101214201437
11573426569
1229a772a51
131647274b7
14b7389341
15718e35c7
hex485f3e5d

1214201437 has 2 divisors, whose sum is σ = 1214201438. Its totient is φ = 1214201436.

The previous prime is 1214201411. The next prime is 1214201501. The reversal of 1214201437 is 7341024121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1213407556 + 793881 = 34834^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214201437 - 27 = 1214201309 is a prime.

It is a super-2 number, since 2×12142014372 = 2948570259225729938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214211437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607100718 + 607100719.

It is an arithmetic number, because the mean of its divisors is an integer number (607100719).

Almost surely, 21214201437 is an apocalyptic number.

It is an amenable number.

1214201437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214201437 is an equidigital number, since it uses as much as digits as its factorization.

1214201437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1214201437 is about 34845.3933397228. The cubic root of 1214201437 is about 1066.8341620545.

Adding to 1214201437 its reverse (7341024121), we get a palindrome (8555225558).

It can be divided in two parts, 121420 and 1437, that multiplied together give a triangular number (174480540 = T18680).

The spelling of 1214201437 in words is "one billion, two hundred fourteen million, two hundred one thousand, four hundred thirty-seven".