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1403122001 = 8231704887
BaseRepresentation
bin101001110100001…
…1111000101010001
310121210012222112112
41103220133011101
510333144401001
6351121435105
746525224461
oct12350370521
93553188475
101403122001
11660031366
12331a9ba95
13194902808
14d44c5ba1
15832aecbb
hex53a1f151

1403122001 has 4 divisors (see below), whose sum is σ = 1404827712. Its totient is φ = 1401416292.

The previous prime is 1403121991. The next prime is 1403122027. The reversal of 1403122001 is 1002213041.

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 an emirpimes, since its reverse is a distinct semiprime: 1002213041 = 4632164607.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1403122001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403122801) 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, 851621 + ... + 853266.

It is an arithmetic number, because the mean of its divisors is an integer number (351206928).

Almost surely, 21403122001 is an apocalyptic number.

It is an amenable number.

1403122001 is a deficient number, since it is larger than the sum of its proper divisors (1705711).

1403122001 is an equidigital number, since it uses as much as digits as its factorization.

1403122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705710.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1403122001 is about 37458.2701282374. The cubic root of 1403122001 is about 1119.5198837669.

Adding to 1403122001 its reverse (1002213041), we get a palindrome (2405335042).

The spelling of 1403122001 in words is "one billion, four hundred three million, one hundred twenty-two thousand, one".

Divisors: 1 823 1704887 1403122001