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1122402001 = 7236971441
BaseRepresentation
bin100001011100110…
…0111111011010001
32220012222221002111
41002321213323101
54244313331001
6303212545321
736546155020
oct10271477321
92805887074
101122402001
11526626266
12273a82241
1314b6c54c6
14a90d08b7
156880d851
hex42e67ed1

1122402001 has 8 divisors (see below), whose sum is σ = 1338516864. Its totient is φ = 920230080.

The previous prime is 1122401983. The next prime is 1122402031. The reversal of 1122402001 is 1002042211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122402001 - 213 = 1122393809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122402031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3485560 + ... + 3485881.

It is an arithmetic number, because the mean of its divisors is an integer number (167314608).

Almost surely, 21122402001 is an apocalyptic number.

It is an amenable number.

1122402001 is a deficient number, since it is larger than the sum of its proper divisors (216114863).

1122402001 is an equidigital number, since it uses as much as digits as its factorization.

1122402001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971471.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1122402001 is about 33502.2685948280. The cubic root of 1122402001 is about 1039.2406936063.

Adding to 1122402001 its reverse (1002042211), we get a palindrome (2124444212).

The spelling of 1122402001 in words is "one billion, one hundred twenty-two million, four hundred two thousand, one".

Divisors: 1 7 23 161 6971441 48800087 160343143 1122402001