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1370129 = 13110459
BaseRepresentation
bin101001110100000010001
32120121110112
411032200101
5322321004
645211105
714434355
oct5164021
92517415
101370129
11856442
12560a95
1338c837
14279465
151c0e6e
hex14e811

1370129 has 4 divisors (see below), whose sum is σ = 1380720. Its totient is φ = 1359540.

The previous prime is 1370113. The next prime is 1370143. The reversal of 1370129 is 9210731.

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: 9210731 = 47195973.

It is a cyclic number.

It is not a de Polignac number, because 1370129 - 24 = 1370113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1370189) 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, 5099 + ... + 5360.

It is an arithmetic number, because the mean of its divisors is an integer number (345180).

21370129 is an apocalyptic number.

It is an amenable number.

1370129 is a deficient number, since it is larger than the sum of its proper divisors (10591).

1370129 is a wasteful number, since it uses less digits than its factorization.

1370129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1370129 is about 1170.5250958437. The cubic root of 1370129 is about 111.0675399903.

The spelling of 1370129 in words is "one million, three hundred seventy thousand, one hundred twenty-nine".

Divisors: 1 131 10459 1370129