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1425121301 = 7120072131
BaseRepresentation
bin101010011110001…
…1010000000010101
310200022121122220102
41110330122000111
510404312340201
6353225143445
750213221412
oct12474320025
93608548812
101425121301
116714977aa
1233932ab85
13199335c56
14d73b1109
15851a826b
hex54f1a015

1425121301 has 4 divisors (see below), whose sum is σ = 1445193504. Its totient is φ = 1405049100.

The previous prime is 1425121297. The next prime is 1425121307. The reversal of 1425121301 is 1031215241.

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.

It is a cyclic number.

It is not a de Polignac number, because 1425121301 - 22 = 1425121297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425121307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10035995 + ... + 10036136.

It is an arithmetic number, because the mean of its divisors is an integer number (361298376).

Almost surely, 21425121301 is an apocalyptic number.

It is an amenable number.

1425121301 is a deficient number, since it is larger than the sum of its proper divisors (20072203).

1425121301 is an equidigital number, since it uses as much as digits as its factorization.

1425121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20072202.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1425121301 is about 37750.7788131583. The cubic root of 1425121301 is about 1125.3404865036.

Adding to 1425121301 its reverse (1031215241), we get a palindrome (2456336542).

The spelling of 1425121301 in words is "one billion, four hundred twenty-five million, one hundred twenty-one thousand, three hundred one".

Divisors: 1 71 20072131 1425121301