1270289472 has 56 divisors (see below), whose sum is σ = 3366735456. Its totient is φ = 422704128.

The previous prime is 1270289467. The next prime is 1270289477. The reversal of 1270289472 is 2749820721.

It is an interprime number because it is at equal distance from previous prime (1270289467) and next prime (1270289477).

It is a super-2 number, since 2×1270289472² = 3227270685348077568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1270289477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113103 + ... + 123825.

It is an arithmetic number, because the mean of its divisors is an integer number (60120276).

Almost surely, 2^1270289472 is an apocalyptic number.

1270289472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1270289472 is an abundant number, since it is smaller than the sum of its proper divisors (2096445984).

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

1270289472 is a wasteful number, since it uses less digits than its factorization.

1270289472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11355 (or 11345 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1270289472 is about 35641.1205211060. The cubic root of 1270289472 is about 1083.0144044111.

The spelling of 1270289472 in words is "one billion, two hundred seventy million, two hundred eighty-nine thousand, four hundred seventy-two".