1270188160 has 64 divisors (see below), whose sum is σ = 3101224320. Its totient is φ = 497253376.

The previous prime is 1270188151. The next prime is 1270188173. The reversal of 1270188160 is 618810721.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1270188160² = 3226755923608371200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8967 + ... + 51193.

It is an arithmetic number, because the mean of its divisors is an integer number (48456630).

Almost surely, 2^1270188160 is an apocalyptic number.

1270188160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270188160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550612160).

1270188160 is an abundant number, since it is smaller than the sum of its proper divisors (1831036160).

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

1270188160 is an equidigital number, since it uses as much as digits as its factorization.

1270188160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42293 (or 42281 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 1270188160 is about 35639.6992130966. The cubic root of 1270188160 is about 1082.9856116897.

Adding to 1270188160 its reverse (618810721), we get a palindrome (1888998881).

The spelling of 1270188160 in words is "one billion, two hundred seventy million, one hundred eighty-eight thousand, one hundred sixty".