Search a number
-
+
1042101397 is a prime number
BaseRepresentation
bin111110000111010…
…011010010010101
32200121220020101001
4332013103102111
54113234221042
6251223503301
734552500331
oct7607232225
92617806331
101042101397
1149526a227
12250bb7b31
13137b8b35c
149c58a7c1
156174abb7
hex3e1d3495

1042101397 has 2 divisors, whose sum is σ = 1042101398. Its totient is φ = 1042101396.

The previous prime is 1042101391. The next prime is 1042101407. The reversal of 1042101397 is 7931012401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675532081 + 366569316 = 25991^2 + 19146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1042101397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042101391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521050698 + 521050699.

It is an arithmetic number, because the mean of its divisors is an integer number (521050699).

Almost surely, 21042101397 is an apocalyptic number.

It is an amenable number.

1042101397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042101397 is an equidigital number, since it uses as much as digits as its factorization.

1042101397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1042101397 is about 32281.5953292275. The cubic root of 1042101397 is about 1013.8413325931.

Adding to 1042101397 its reverse (7931012401), we get a palindrome (8973113798).

The spelling of 1042101397 in words is "one billion, forty-two million, one hundred one thousand, three hundred ninety-seven".