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1245130 = 25124513
BaseRepresentation
bin100101111111111001010
32100020222221
410233333022
5304321010
642404254
713404055
oct4577712
92306887
101245130
11780537
1250068a
13347983
14245a9c
15198dda
hex12ffca

1245130 has 8 divisors (see below), whose sum is σ = 2241252. Its totient is φ = 498048.

The previous prime is 1245121. The next prime is 1245137. The reversal of 1245130 is 315421.

It can be written as a sum of positive squares in 2 ways, for example, as 1006009 + 239121 = 1003^2 + 489^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1245137) 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, 62247 + ... + 62266.

21245130 is an apocalyptic number.

1245130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245130 is a deficient number, since it is larger than the sum of its proper divisors (996122).

1245130 is a wasteful number, since it uses less digits than its factorization.

1245130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124520.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1245130 is about 1115.8539330934. The cubic root of 1245130 is about 107.5816578050.

The spelling of 1245130 in words is "one million, two hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 124513 249026 622565 1245130