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125441321 = 601208721
BaseRepresentation
bin1110111101000…
…01010100101001
322202001002010212
413132201110221
5224103110241
620240350505
73052143065
oct736412451
9282032125
10125441321
1164898a15
1236015435
131ccb0845
1412934aa5
15b02cbeb
hex77a1529

125441321 has 4 divisors (see below), whose sum is σ = 125650644. Its totient is φ = 125232000.

The previous prime is 125441299. The next prime is 125441339. The reversal of 125441321 is 123144521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123144521 = 229537749.

It can be written as a sum of positive squares in 2 ways, for example, as 52765696 + 72675625 = 7264^2 + 8525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125441321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125441341) 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, 103760 + ... + 104961.

It is an arithmetic number, because the mean of its divisors is an integer number (31412661).

Almost surely, 2125441321 is an apocalyptic number.

It is an amenable number.

125441321 is a deficient number, since it is larger than the sum of its proper divisors (209323).

125441321 is an equidigital number, since it uses as much as digits as its factorization.

125441321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209322.

The product of its digits is 960, while the sum is 23.

The square root of 125441321 is about 11200.0589730590. The cubic root of 125441321 is about 500.5877368601.

Adding to 125441321 its reverse (123144521), we get a palindrome (248585842).

The spelling of 125441321 in words is "one hundred twenty-five million, four hundred forty-one thousand, three hundred twenty-one".

Divisors: 1 601 208721 125441321