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1014135121 = 4721577343
BaseRepresentation
bin111100011100100…
…111100101010001
32121200021101212001
4330130213211101
54034104310441
6244344234001
734063002106
oct7434474521
92550241761
101014135121
114804a87aa
1224376b901
13132148c6c
149898aaad
155e074731
hex3c727951

1014135121 has 4 divisors (see below), whose sum is σ = 1035712512. Its totient is φ = 992557732.

The previous prime is 1014135079. The next prime is 1014135139. The reversal of 1014135121 is 1215314101.

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: 1215314101 = 1737024937.

It is a cyclic number.

It is not a de Polignac number, because 1014135121 - 27 = 1014134993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1014135181) 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, 10788625 + ... + 10788718.

It is an arithmetic number, because the mean of its divisors is an integer number (258928128).

Almost surely, 21014135121 is an apocalyptic number.

It is an amenable number.

1014135121 is a deficient number, since it is larger than the sum of its proper divisors (21577391).

1014135121 is an equidigital number, since it uses as much as digits as its factorization.

1014135121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21577390.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1014135121 is about 31845.4882361693. The cubic root of 1014135121 is about 1004.6896795258.

Adding to 1014135121 its reverse (1215314101), we get a palindrome (2229449222).

The spelling of 1014135121 in words is "one billion, fourteen million, one hundred thirty-five thousand, one hundred twenty-one".

Divisors: 1 47 21577343 1014135121