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1020124001 = 13643122039
BaseRepresentation
bin111100110011011…
…101101101100001
32122002112200001102
4330303131231201
54042122432001
6245120444145
734164624311
oct7463355541
92562480042
101020124001
11483919296
12245779655
13133464b90
14996a9441
155e858e6b
hex3ccddb61

1020124001 has 8 divisors (see below), whose sum is σ = 1100312640. Its totient is φ = 940180752.

The previous prime is 1020123943. The next prime is 1020124013. The reversal of 1020124001 is 1004210201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020124001 - 222 = 1015929697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020124201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52661 + ... + 69378.

It is an arithmetic number, because the mean of its divisors is an integer number (137539080).

Almost surely, 21020124001 is an apocalyptic number.

It is an amenable number.

1020124001 is a deficient number, since it is larger than the sum of its proper divisors (80188639).

1020124001 is a wasteful number, since it uses less digits than its factorization.

1020124001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122695.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1020124001 is about 31939.3800973031. The cubic root of 1020124001 is about 1006.6634994832.

Adding to 1020124001 its reverse (1004210201), we get a palindrome (2024334202).

The spelling of 1020124001 in words is "one billion, twenty million, one hundred twenty-four thousand, one".

Divisors: 1 13 643 8359 122039 1586507 78471077 1020124001