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1021230037 is a prime number
BaseRepresentation
bin111100110111101…
…011101111010101
32122011121212020201
4330313223233111
54042413330122
6245200300501
734210212022
oct7467535725
92564555221
101021230037
11484504273
12246011731
13133761439
14998b6549
155e9c6a27
hex3cdebbd5

1021230037 has 2 divisors, whose sum is σ = 1021230038. Its totient is φ = 1021230036.

The previous prime is 1021230017. The next prime is 1021230043. The reversal of 1021230037 is 7300321201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839492676 + 181737361 = 28974^2 + 13481^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021230037 - 211 = 1021227989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021229996 and 1021230023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021230017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510615018 + 510615019.

It is an arithmetic number, because the mean of its divisors is an integer number (510615019).

Almost surely, 21021230037 is an apocalyptic number.

It is an amenable number.

1021230037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021230037 is an equidigital number, since it uses as much as digits as its factorization.

1021230037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1021230037 is about 31956.6900194623. The cubic root of 1021230037 is about 1007.0271820421.

Adding to 1021230037 its reverse (7300321201), we get a palindrome (8321551238).

The spelling of 1021230037 in words is "one billion, twenty-one million, two hundred thirty thousand, thirty-seven".