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1201875001 = 19391916141
BaseRepresentation
bin100011110100011…
…0010100000111001
310002202112120112221
41013220302200321
54430140000001
6315132204041
741532524515
oct10750624071
93082476487
101201875001
11567477528
12296609621
13161ccca52
14b589b145
15707ab1a1
hex47a32839

1201875001 has 8 divisors (see below), whose sum is σ = 1265532800. Its totient is φ = 1138257360.

The previous prime is 1201874977. The next prime is 1201875013. The reversal of 1201875001 is 1005781021.

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 1201875001 - 25 = 1201874969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201875071) 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, 66391 + ... + 82531.

It is an arithmetic number, because the mean of its divisors is an integer number (158191600).

Almost surely, 21201875001 is an apocalyptic number.

It is an amenable number.

1201875001 is a deficient number, since it is larger than the sum of its proper divisors (63657799).

1201875001 is a wasteful number, since it uses less digits than its factorization.

1201875001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20079.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 1201875001 is about 34668.0688963201. The cubic root of 1201875001 is about 1063.2117494677.

The spelling of 1201875001 in words is "one billion, two hundred one million, eight hundred seventy-five thousand, one".

Divisors: 1 19 3919 16141 74461 306679 63256579 1201875001