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1123020139 is a prime number
BaseRepresentation
bin100001011101111…
…1110110101101011
32220021011100000111
41002323332311223
54244443121024
6303234115151
736554341123
oct10273766553
92807140014
101123020139
11526a0871a
1227411bab7
1314b880977
14a9211c83
15688d1a94
hex42efed6b

1123020139 has 2 divisors, whose sum is σ = 1123020140. Its totient is φ = 1123020138.

The previous prime is 1123020113. The next prime is 1123020191. The reversal of 1123020139 is 9310203211.

It is a weak prime.

It is an emirp because it is prime and its reverse (9310203211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1123020139 is a prime.

It is a super-2 number, since 2×11230201392 = 2522348465199158642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561510069 + 561510070.

It is an arithmetic number, because the mean of its divisors is an integer number (561510070).

Almost surely, 21123020139 is an apocalyptic number.

1123020139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123020139 is an equidigital number, since it uses as much as digits as its factorization.

1123020139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1123020139 is about 33511.4926405853. The cubic root of 1123020139 is about 1039.4314381794.

The spelling of 1123020139 in words is "one billion, one hundred twenty-three million, twenty thousand, one hundred thirty-nine".