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1270116 = 223235281
BaseRepresentation
bin100110110000101100100
32101112021100
410312011210
5311120431
643120100
713536651
oct4660544
92345240
101270116
11798291
12513030
13356163
14250c28
151a14e6
hex136164

1270116 has 18 divisors (see below), whose sum is σ = 3210662. Its totient is φ = 423360.

The previous prime is 1270111. The next prime is 1270123. The reversal of 1270116 is 6110721.

It can be written as a sum of positive squares in only one way, i.e., 910116 + 360000 = 954^2 + 600^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×12701162 = 3226389306912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1270111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17605 + ... + 17676.

21270116 is an apocalyptic number.

It is an amenable number.

1270116 is an abundant number, since it is smaller than the sum of its proper divisors (1940546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1270116 is a wasteful number, since it uses less digits than its factorization.

1270116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35291 (or 35286 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1270116 is about 1126.9942324608. The cubic root of 1270116 is about 108.2965102990.

Adding to 1270116 its reverse (6110721), we get a palindrome (7380837).

The spelling of 1270116 in words is "one million, two hundred seventy thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 35281 70562 105843 141124 211686 317529 423372 635058 1270116