Search a number
-
+
1121750801 is a prime number
BaseRepresentation
bin100001011011100…
…1000111100010001
32220011202211210222
41002313020330101
54244132011201
6303151002425
736540503333
oct10267107421
92804684728
101121750801
11526220a86
12273809415
1314b527c92
14a8da1453
156873091b
hex42dc8f11

1121750801 has 2 divisors, whose sum is σ = 1121750802. Its totient is φ = 1121750800.

The previous prime is 1121750771. The next prime is 1121750807. The reversal of 1121750801 is 1080571211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1083989776 + 37761025 = 32924^2 + 6145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121750801 - 26 = 1121750737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121750807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560875400 + 560875401.

It is an arithmetic number, because the mean of its divisors is an integer number (560875401).

Almost surely, 21121750801 is an apocalyptic number.

It is an amenable number.

1121750801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121750801 is an equidigital number, since it uses as much as digits as its factorization.

1121750801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 26.

The square root of 1121750801 is about 33492.5484399142. The cubic root of 1121750801 is about 1039.0396710190.

The spelling of 1121750801 in words is "one billion, one hundred twenty-one million, seven hundred fifty thousand, eight hundred one".