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126340961 = 1912692459
BaseRepresentation
bin1111000011111…
…00111101100001
322210201210012212
413201330331201
5224320402321
620311531505
73062610665
oct741747541
9283653185
10126340961
116535291a
1236389b95
1320237186
1412aca8a5
15b15955b
hex787cf61

126340961 has 8 divisors (see below), whose sum is σ = 127526400. Its totient is φ = 125161360.

The previous prime is 126340939. The next prime is 126340979. The reversal of 126340961 is 169043621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126340961 - 214 = 126324577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126340901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50150 + ... + 52608.

It is an arithmetic number, because the mean of its divisors is an integer number (15940800).

Almost surely, 2126340961 is an apocalyptic number.

It is an amenable number.

126340961 is a deficient number, since it is larger than the sum of its proper divisors (1185439).

126340961 is a wasteful number, since it uses less digits than its factorization.

126340961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 126340961 is about 11240.1495096818. The cubic root of 126340961 is about 501.7815923178.

It can be divided in two parts, 1263 and 40961, that added together give a palindrome (42224).

The spelling of 126340961 in words is "one hundred twenty-six million, three hundred forty thousand, nine hundred sixty-one".

Divisors: 1 191 269 2459 51379 469669 661471 126340961