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123042037 is a prime number
BaseRepresentation
bin1110101010101…
…11100011110101
322120112011221111
413111113203311
5222444321122
620113115021
73022561066
oct725274365
9276464844
10123042037
11634aa338
1235258a71
131c650751
14124ac56d
15ac06d77
hex75578f5

123042037 has 2 divisors, whose sum is σ = 123042038. Its totient is φ = 123042036.

The previous prime is 123042013. The next prime is 123042067. The reversal of 123042037 is 730240321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70711281 + 52330756 = 8409^2 + 7234^2 .

It is a cyclic number.

It is not a de Polignac number, because 123042037 - 215 = 123009269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123041999 and 123042017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123042067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61521018 + 61521019.

It is an arithmetic number, because the mean of its divisors is an integer number (61521019).

Almost surely, 2123042037 is an apocalyptic number.

It is an amenable number.

123042037 is a deficient number, since it is larger than the sum of its proper divisors (1).

123042037 is an equidigital number, since it uses as much as digits as its factorization.

123042037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 123042037 is about 11092.4315188330. The cubic root of 123042037 is about 497.3756321532.

Adding to 123042037 its reverse (730240321), we get a palindrome (853282358).

It can be divided in two parts, 12304 and 2037, that added together give a palindrome (14341).

The spelling of 123042037 in words is "one hundred twenty-three million, forty-two thousand, thirty-seven".