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1122025001 = 1957157331
BaseRepresentation
bin100001011100000…
…1011111000101001
32220012021202221112
41002320023320221
54244214300001
6303200520105
736543024626
oct10270137051
92805252845
101122025001
11526398a99
12273920035
1314b5c2a26
14a903334d
1568786cbb
hex42e0be29

1122025001 has 4 divisors (see below), whose sum is σ = 1122101904. Its totient is φ = 1121948100.

The previous prime is 1122024977. The next prime is 1122025013. The reversal of 1122025001 is 1005202211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1122025001 - 214 = 1122008617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122025301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9095 + ... + 48236.

It is an arithmetic number, because the mean of its divisors is an integer number (280525476).

Almost surely, 21122025001 is an apocalyptic number.

It is an amenable number.

1122025001 is a deficient number, since it is larger than the sum of its proper divisors (76903).

1122025001 is an equidigital number, since it uses as much as digits as its factorization.

1122025001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76902.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1122025001 is about 33496.6416376329. The cubic root of 1122025001 is about 1039.1243248378.

Adding to 1122025001 its reverse (1005202211), we get a palindrome (2127227212).

The spelling of 1122025001 in words is "one billion, one hundred twenty-two million, twenty-five thousand, one".

Divisors: 1 19571 57331 1122025001