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122503049 is a prime number
BaseRepresentation
bin1110100110100…
…11111110001001
322112111210120222
413103103332021
5222330044144
620053355425
73015154514
oct723237611
9275453528
10122503049
1163171399
1235038b75
131c4c2316
14123abd7b
15ab4c2ee
hex74d3f89

122503049 has 2 divisors, whose sum is σ = 122503050. Its totient is φ = 122503048.

The previous prime is 122503021. The next prime is 122503079. The reversal of 122503049 is 940305221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109579024 + 12924025 = 10468^2 + 3595^2 .

It is an emirp because it is prime and its reverse (940305221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122503049 - 224 = 105725833 is a prime.

It is not a weakly prime, because it can be changed into another prime (122503019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61251524 + 61251525.

It is an arithmetic number, because the mean of its divisors is an integer number (61251525).

Almost surely, 2122503049 is an apocalyptic number.

It is an amenable number.

122503049 is a deficient number, since it is larger than the sum of its proper divisors (1).

122503049 is an equidigital number, since it uses as much as digits as its factorization.

122503049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 122503049 is about 11068.1095495121. The cubic root of 122503049 is about 496.6483146130.

The spelling of 122503049 in words is "one hundred twenty-two million, five hundred three thousand, forty-nine".