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1232142073 is a prime number
BaseRepresentation
bin100100101110000…
…1111111011111001
310011212111022011121
41021130033323321
510010412021243
6322133025241
742351014641
oct11134177371
93155438147
101232142073
1158256a638
122a4785221
13168369466
14b98d9521
15732891ed
hex4970fef9

1232142073 has 2 divisors, whose sum is σ = 1232142074. Its totient is φ = 1232142072.

The previous prime is 1232142061. The next prime is 1232142101. The reversal of 1232142073 is 3702412321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1167452224 + 64689849 = 34168^2 + 8043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232142073 - 225 = 1198587641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232142013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616071036 + 616071037.

It is an arithmetic number, because the mean of its divisors is an integer number (616071037).

Almost surely, 21232142073 is an apocalyptic number.

It is an amenable number.

1232142073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232142073 is an equidigital number, since it uses as much as digits as its factorization.

1232142073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1232142073 is about 35101.8813313475. The cubic root of 1232142073 is about 1072.0628887629.

Adding to 1232142073 its reverse (3702412321), we get a palindrome (4934554394).

The spelling of 1232142073 in words is "one billion, two hundred thirty-two million, one hundred forty-two thousand, seventy-three".