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BaseRepresentation
bin100100101110101…
…0100010001110001
310011220000112011022
41021131110101301
510011000001001
6322143025225
742353262026
oct11135242161
93156015138
101232422001
11582740988
122a489b215
131684369b5
14b996d54d
15732e211b
hex49754471

1232422001 has 2 divisors, whose sum is σ = 1232422002. Its totient is φ = 1232422000.

The previous prime is 1232421991. The next prime is 1232422007. The reversal of 1232422001 is 1002242321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092236401 + 140185600 = 33049^2 + 11840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232422001 - 218 = 1232159857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232422007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616211000 + 616211001.

It is an arithmetic number, because the mean of its divisors is an integer number (616211001).

Almost surely, 21232422001 is an apocalyptic number.

It is an amenable number.

1232422001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232422001 is an equidigital number, since it uses as much as digits as its factorization.

1232422001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1232422001 is about 35105.8684695308. The cubic root of 1232422001 is about 1072.1440692543.

Adding to 1232422001 its reverse (1002242321), we get a palindrome (2234664322).

The spelling of 1232422001 in words is "one billion, two hundred thirty-two million, four hundred twenty-two thousand, one".