1270560 has 48 divisors (see below), whose sum is σ = 4003776. Its totient is φ = 338688.
The previous prime is 1270559. The next prime is 1270561. The reversal of 1270560 is 650721.
It is an interprime number because it is at equal distance from previous prime (1270559) and next prime (1270561).
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×12705602 = 3228645427200, which contains 22 as substring.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1270561) 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, 844 + ... + 1803.
It is an arithmetic number, because the mean of its divisors is an integer number (83412).
21270560 is an apocalyptic number.
1270560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1270560 is an abundant number, since it is smaller than the sum of its proper divisors (2733216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1270560 is a wasteful number, since it uses less digits than its factorization.
1270560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2665 (or 2657 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 1270560 is about 1127.1911993979. The cubic root of 1270560 is about 108.3091280570.
It can be divided in two parts, 1270 and 560, that added together give a triangular number (1830 = T60).
The spelling of 1270560 in words is "one million, two hundred seventy thousand, five hundred sixty".
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